Kristen Bell and Dax Shepard posed for photos on their way into Nashville's Bridgestone Arena for the CMT Music Awards this evening. It's a big night for Kristen, since she's hosting the show for the second time and making her first official appearance since giving birth to daughter Lincoln on March 28. Kristen will be joined on stage by country star Jason Aldean, and the duo got together earlier today for rehearsals. She's been sharing behind-the-snaps of their preparation on Twitter and also joked about wearing "treacherous heels" since she'll be standing next to Jason, who is over six feet tall. For the red carpet, though, Kristen chose a more sensible pair of heels and a sexy leather dress, while Dax dressed up in a neutral-colored suit.

Taylor Swift posed solo in an uneven-hem dress by Elie Saab despite bringing her brother, Austin, along for the CMT Music Awards in Nashville this evening. She's one of the night's nominees and is up for two awards, including video of the year and female video of the year for "We Are Never Ever Getting Back Together" and "Being Again," respectively. Taylor will be going up against Carrie Underwood and Miranda Lambert in both categories. Taylor made her way south from LA, where she made a surprise appearance on The Voice Monday.

Since announcing her second pregnancy with a cute tweet in December, Jessica Simpson's been all about posting photos of her growing bump as she is about to expand her family of three. This week, she shared a sweet snap of her fiancé, Eric Johnson, cuddling up with their daughter, Maxwell, and a funny picture of herself in a balloon sweater. Over the weekend, Jessica flaunted her stomach alongside her pregnant best friend, CaCee Cobb — but that's not all she's captured. Click through to see Jessica's second pregnancy in her own snaps!

Angelina Jolie spent the afternoon out exploring Berlin with her kids today, including a stop by a coffee house in Tiergarten and a visit to the Bauhaus Archive museum. The Jolie-Pitts are taking advantage of their time overseas during Brad Pitt's promotional tour for World War Z. They've already visited London and Paris, and Brad and Angelina made their latest red carpet appearance in Berlin yesterday. It was an extraspecial event since it was also Angelina's 38th birthday. She celebrated after the event at dinner with her whole family, including Brad, Maddox, Pax, Zahara, Shiloh, Vivienne, and Knox. The group of eight will continue their travels in the run-up to Brad's zombie movie's June 21 release.

Michelle Williams and Dustin Yellin took Michelle's daughter, Matilda, to a Brooklyn park for a friend's birthday party on Monday. Matilda dressed up as a princess for the event, where they played games in the grass and mingled with other parents. Michelle and Dustin, who is an artist based in NYC, later braved the rain on their way home with Michelle carrying an umbrella on foot while Dustin rode alongside on his bike. It looks like the couple are getting more serious after making their debut during the Met Gala last month. Michelle and Dustin held hands as they left an afterparty at the Standard Hotel, marking their first public outing as a duo.

Michelle has moved onto Dustin following her February split from Jason Segel after almost a year of dating. Michelle had her Oz the Great and Powerful press tour to keep her busy in the weeks following the breakup, while Jason returned to the West Coast.

Angelina Jolie was all smiles today as she accompanied her fiancé, Brad Pitt, to the Berlin premiere of World War Z. She chose a strapless white Ralph & Russo dress for the occasion, which was extra special since today is her 38th birthday. Brad and Angelina got a head start on the celebrations last night, when they dined out at Il Vino and stopped by the Silencio Club following the Paris premiere of Brad's zombie movie. They continued the fun this evening when they met up with their six children for dinner at Restaurant Kuchi.

Angelina Jolie turns 38 today! In addition to her mark on Hollywood, Angelina has made a name for herself as a humanitarian and an inspirational figure around the world. She surprised many last month, when she revealed her decision to undergo a preventive double mastectomy in the hopes that she would empower women to take control of their own health. It wasn't the first time Angelina's public choices have inspired others, with her philanthropic work and involvement with the UNHCR among the many ways she makes her mark on the world. Read on for more powerful moments from Angelina.

Kate Winslet and Ned Rocknroll are expecting their first child! Kate's rep revealed her pregnancy news today, telling People that "Kate and Ned are delighted." The baby with join Kate's two older children from previous relationships, Mia and Joe. The exciting news comes after Kate and Ned tied the knot in a surprise wedding last December. To celebrate the happy couple, we're taking a look back at their sweetest moments!

Brad Pitt and Angelina Jolie dined out at Il Vino in Paris last night and reportedly followed up their meal with a stop by Silencio nightclub. They may have been getting a head start on marking Angelina's 38th birthday, which is today, but they had another reason to celebrate as well since Brad premiered World War Z in Paris earlier in the day. The couple made their first public appearance since revealing Angelina's double mastectomy surgery on Sunday, when they attended the London premiere of the film. Angelina wore a glamorous Saint Laurent gown for the big event and told press that she's "very grateful" for the public concern about her health. They brought their oldest sons, Maddox and Pax, along for the event, though all of their children are with them overseas. The group hopped on a private plane earlier today to make their way to France, and once they touched down, Brad got right to work. He conducted interviews on a ferry and waved to fans as he disembarked.

Reese Witherspoon and her daughter, Ava Phillippe, took in the sights of Paris on Sunday. The mother-daughter duo did a little shopping, visited the Pompidou Center and the Place des Vosges, and stopped along the city streets to snap pictures of their surroundings. Reese and Ava took off from LAX for the girls-only trip on Friday, looking strikingly similar as they both wore their long blond hair down.

While Reese and Ava explored France, Ava's little brother Deacon played a flag football game back home in LA on Saturday. Production also got under way on one of Reese's upcoming projects, Inherent Vice, with her costars Joaquin Phoenix and Maya Rudolph hitting the set on Monday.

Kim Kardashian, who wore a white Lanvin gown, was celebrated with a lavish baby shower in Beverly Hills on Sunday. The event, which was a garden-themed brunch, brought out celebrity pals Nicole Richie, Kelly Osbourne, Mel B, and trainer Tracy Anderson, as well as Kim's family. Her sisters Khloé and Kourtney were on hand, as were their significant others, Lamar Odom and Scott Disick. Kim's own boyfriend, Kanye West, made an appearance despite reportedly being nervous about being the only guy at the party. It was an especially exciting day for the Kardashian family since the season premiere of Keeping Up With the Kardashians also aired on Sunday with a special moment that revealed the sex of Kim and Kanye's baby. Kim shared that she's having a girl during the episode, adding, "That’s really what Kanye has always wanted — he wanted a little girl."

It was an extraspecial weekend for Harry Styles and his family — his mom, Anne Cox, got married! Harry was the best man at the affair, which took place on Saturday in Cheshire, England, and wore a black suit and white rose boutonniere for the festivities. His sister, Gemma, was also there to celebrate, and she shared a snap of the fun on Instagram. Harry, meanwhile, took to Vine to capture family and friends eating cake during the reception.

Harry may have taken a backseat to his mom's big day, but he'll be back in the spotlight this weekend when he takes the stage with One Direction in Mexico. The band will play on Saturday and Sunday in Iztacalco before heading to Florida for more dates next week.

Keri Russell and her daughter, Willa Lou, hit the streets of NYC on Sunday smiling despite the serious heat wave. Willa's heading into her second Big Apple Summer after celebrating her first birthday in December — and this is one of the few times we've seen the little one since her birth! The family has another milestone to mark this weekend, since big brother River turns 6 years old on Sunday. While Keri has her two children and husband Shane Deary at home, she's also been busy professionally. Her FX series The Americans wrapped its first season last month and will return for a second in January, welcoming guest stars Annet Mahendru and Alison Wright as series regulars for their sophomore run.

Channing Tatum and Jenna Dewan are first-time parents! The couple reportedly welcomed their first child in London on Thursday after announcing their exciting pregnancy news in December. The duo met back in 2006 while working on Step Up and became engaged during a romantic trip to Hawaii in 2008. Channing and Jenna tied the knot in Malibu in the Summer of 2009 and have been a busy pair ever since. They aren't shy about showing PDA on red carpets and around town, and we're happy to watch them share their love. Click through to see Channing and Jenna's cutest moments together — and congrats to the couple on their new family of three!

Beyoncé Knowles posted photos from her recent trip to Berlin on her Tumblr account. She and Jay-Z were there last week for the latest stops on her Mrs. Carter Show world tour, though they had plenty of time away from the stage. Beyoncé and Jay-Z snapped pictures in front of a graffitied wall and cozied up at dinner, and one shot even shows Beyoncé drinking a glass of wine at a restaurant. We can't help but wonder — is she trying to put recent pregnancy rumors to rest with the image after speculation started earlier this month? Let us know what you think in the comments!

Mad Men's Vincent Kartheiser and his fiancée, Alexis Bledel, hung out on the beach in Hawaii on Wednesday. Alexis flaunted her diamond engagement ring while she lounged in the sand in a black bikini next to a shirtless Vincent. News of the couple's engagement came out in March following the duo's first official red carpet appearance together in October last year. They got together while working on Mad Men, and though Alexis's guest-starring role didn't last, it looks like their relationship has. The hit AMC show is currently in its sixth season, and with four episodes remaining, there are a lot of questions still left to be answered. Check out the conspiracy theories on the mysterious Bob Benson, and take a look at last week's maddest moments to get ready for a new episode on Sunday night!