Robert Pattinson and Reese Witherspoon posed for photos together at last night's premiere of Water For Elephants in Barcelona. It was their latest screening in Europe, after Robert and costar Christoph Waltz had a big evening in Berlin and Reese joined the boys to show off their circus drama in Paris. Reese also took advantage of her time in France to engage in some retail therapy, hitting up shops like Christian Louboutin and Carven. Both Robert and Reese are featured all over our brand-new PopSugar 100 — where do they rank on a list of your All-Time Favorite Stars? The trio of Robert, Reese, and Christoph have been all over the world to show off their film, including lots of travel across the US. We caught up with them at the NYC debut of Water For Elephants, though Rob soon switched gears to spend time back on the set of Breaking Dawn.

Prince William and Kate Middleton's royal wedding was a worldwide affair, but the intimacy was all in the details as the bride and groom checked in on each other throughout the proceedings. Royal wedding lip-readers deciphered what the family members were saying to each other throughout the arrivals and ceremony. From William checking in on Catherine and telling her how beautiful she looked to Harry letting his brother know that his bride was almost down the aisle, there were so many touching moments between the loved ones. Check out the sweet conversations between William, Kate, Michael Middleton, Harry, and even the little page boys and don't miss our huge gallery of hundreds of royal wedding pictures in case you missed a moment!

Ben Affleck was out and about in Beverly Hills Thursday in a snug sweater and shades. The actor has been hanging out close to home this month, celebrating wife Jennifer Garner's 39th birthday with a backyard BBQ and a family dinner. The movie star pair are enjoying downtime with their daughters, Violet and Seraphina, after a hectic Winter of work. Ben's in the running for favorite celebrity dad in our 2011 PopSugar 100 — be sure to cast your vote for your number one famous father for a chance to win a great prize! Jennifer spent much of the season tied up promoting her role in Arthur and filming The Odd Life of Timothy Green, while Ben was busy scouting locations for his upcoming directorial project, Argo, across the Middle East. He seems to be enjoying his current break from acting, as rumors that Ben would play Tom Buchanan in Baz Luhrmann's planned remake of The Great Gatsby were dispelled recently.

Prince William and Kate Middleton shared their wedding with the world on Friday, though the newly christened Duke and Duchess of Cambridge found ways to sneak in sweet, private newlywed moments amid the madness. Watch as he whispers to her in the carriage and has his breath taken away by his gorgeous bride. From when she stepped up to join him at the altar to the morning after, when they held hands to head off on their intimate weekend away, it was so clear just how in love Kate and William are as they embark on their new life together. We picked out William and Kate's 50 sweetest photos from their big day, and don't miss our massive gallery of all the best royal wedding pictures too!

April has flown by and now it's time to take a look back at the best of the best photos of babies, bikini, kisses, and more. Plus, of course, the huge royal wedding, which will round out the month tomorrow! From Robert Pattinson and Kristen Stewart's hot NYC hookup to Kate Hudson's bikini baring baby bump it was a steamy start to Spring. Scarlett Johansson and Sean Penn kept us on our toes with their romantic runs while Angelina sparked tons of speculation when she showed off a new mysterious tattoo. Without further ado, click through to review April's most exciting stories!

Courteney Cox chatted on her phone on her way into the Malibu Nobu Thursday. The actress is home in LA since wrapping up the cross-continental publicity tour for her Scream 4. She and her costar David Arquette openly shared stories about their complicated relationship status with Howard Stern and Jimmy Kimmel while promoting the film. Her relationship with David seems to be going smoothly despite rumors of her dating her Cougar Town costars, since the exes were spotted arriving at an Easter celebration together last weekend. Courteney and her best friend Jennifer Aniston, are also going great so far in this year's PopSugar 100 — don't forget to cast your votes and enter for a chance to win one of four luxurious prizes, including a vintage Rolex watch and an Hermès Kelly bag!

Katie Holmes hit up one of her favorite LA bakeries, Le Pain Quotidien, on Friday to get coffee and a pastry following an early morning workout. Katie's princess-loving daughter Suri often accompanies her on the sweets run — Suri, though, may have had a big morning watching the royal wedding! The British nuptials were apparently a big event for celebrity moms and their daughters, with Jennifer Garner admitting to having plans for a "royal wedding breakfast" with girls Violet and Seraphina Affleck. Katie wound down from a hectic week that included a fashionable Ann Taylor lunch and a business meeting at a Hollywood studio. The actress also resolved a pending lawsuit she filed against Star magazine, and plans to donate her settlement from the publication to charity.