Welcome Blue Ivy Carter! Beyoncé and Jay-Z kicked off the weekend by introducing the world to their daughter via a post to Jay-Z's website. They join a long line of celebrity tots who've made their public debut through some careful planning by their parents. For a long time running, it seemed People had a monopoly on introductory celebaby photos. Nicole Richie, Christina Aguilera, Jennifer Read more

Jennifer Lopez and Casper Smart took advantage of the sunny weather on Sunday with a trip to the beach in Malibu. Jennifer's twins, Max and Emme, were along for the sandy beach day as was a nanny, who took pictures of the group. J Lo and Casper are back on the West Coast after a visit to NYC, where J Lo promoted her new reality series ¡Q'Viva! The Chosen. Casper was by her side during the press Read more

Jennifer Lopez showed off her figure in a formfitting one-piece bathing suit on the set of a photo shoot in Miami on Friday. She is out promoting the latest season of American Idol, which premiered earlier this month, and for this work-related trip she brought along her boyfriend Casper Smart. Idol may be off to a slower start in its 11th year on the air, but things are going well in Jennifer's Read more

Hollywood's hottest starlets took to beaches, pools, and yachts in their best bikinis this year. Whether they were modeling for photo shoots like Miranda Kerr, saving their two-pieces for family vacations a la Gwyneth Paltrow and Beyoncé Knowles, or ringing in birthdays in bathing suits like Halle Berry and Jennifer Lopez, the A-list looked their best all year long. See all the gorgeous celebs Read more

Plenty of artists took to the stage at last night's American Music Awards, but if you missed one of the 17 performances by the likes of Justin Bieber, LMFAO, Jennifer Lopez, and other musicians, we've gathered photos of the evening as they sang and danced the night away onstage. We've also got pictures of all the notable and behind-the-scenes moments, from Bieber planting a kiss on girlfriend Read more

Big congrats to Bradley Cooper, People's Sexiest Man Alive 2011! Last year's winner, Ryan Reynolds, is passing on the crown to yet another handsome, lovable, funny guy. In his typically humble manner, Bradley played it cool about his own good looks saying, "I think it's really cool that a guy who doesn't look like a model can have this [title]. I think I'm a decent-looking guy. Sometimes I can Read more

NYC's Carnegie Hall played host to the 2011 Glamour Women of the Year awards last night. A Versace-clad Jennifer Lopez stole the show on the red carpet. She was on hand to accept the magazine's All-Star honor, which was presented to her by pal Donatella Versace. Jessica Alba wore Tory Burch to escort the designer, and Fashion Force winner, to the show. Diva Next Door-winner Lea Michele sparkled Read more

Celebrities spent the week getting cozy with friends and family on Twitter. Jessica Alba snuggled with her daughter before bedtime, while Jennifer Lopez cuddled up to Randy Jackson. Ashlee Simpson and her son, Bronx, checked out a hammock, and Bar Refaeli got comfortable in a wheelbarrow — click through to see all the pics, and don't forget to follow PopSugar on Twitter for exciting news and Read more

Stars were as social on Twitter as they were in real life this week. Justin Bieber dropped in on an affectionate Katy Perry and Russell Brand, while Jennifer Lopez worked her new clothing line. Eva Longoria made some puppy friends, and Jessica Simpson jetted off from a relaxing vacation in Mexico — click through to see all the pics, and don't forget to follow PopSugar on Twitter for exciting Read more

Jennifer Lopez caused a scene as she left dinner at Cecconi's in West Hollywood yesterday. She hit the town after wrapping up her American Idol judging duties for the night and had a smile on her face despite a shocking show. Contestant Pia Toscano was voted off in a surprising elimination and even J Lo twittered her sadness about saying goodbye to the talented contestant. Tons of other Read more