Sierra Marquina

Mariah Carey apologized to fans on Twitter after not showing up to pre-tape her Rockefeller Christmas Tree lighting ceremony performance on Tuesday, Dec. 2 -- read her apology here

Ariana Grande got smacked by a Victoria's Secret Angel's wings during the 2014 fashion show and her reaction has become the Internet's latest meme -- see the LOL worthy memes here

Napster founder Sean Parker and his wife Alexandra Parker have welcomed their second child, a baby boy named Zephyr Emerson -- see his photo

Jimmy Fallon and his wife Nancy welcomed their second child via surrogate on December 3, a rep for the couple confirms to Us Weekly -- get all the details!

Bill Cosby has finally broken his silence after 20 women have come forward accusing him of sexual assault -- read his tweets here

Pregnant Kourtney Kardashian posed nude for Dujour magazine and more top stories from Dec. 2

Blake Lively showed off her growing baby bump in a chic black gown at the LOreal Paris 2014 Women Of Worth Celebration in NYC -- see her amazing look here

Rosario Dawson has taken on the role of mom and adopted a 12-year-old daughter, sources tell Us Weekly

Vanessa Minnillo stepped out looking very pregnant in Los Angeles over the weekend after telling American Baby magazine the parenting tips she wished she had known the first time around -- see her big bump here!

Ariana Grande and Taylor Swift got close after they both performed at the Victoria's Secret Fashion Show -- see their new-BFFs snap here

Chris Pratt and his wife Anna Faris are in incredible shape -- see their Hawaii beach bods here!

Haylie Duff is pregnant! Hilary Duff's older sister is expecting her first child with fiance Matt Rosenberg

Nicole "Snooki" Polizzi's new husband Jionni LaValle pleaded guilty to DUI charges two days after his wedding, Us Weekly confirms -- get all the details

Ryan Knight from MTV dies at the age of 29 and other top stories from Thanksgiving weekend

Vin Diesel posted a touching photo of late Paul Walker with his daughter along with touching words -- read his tribute here

Jake Gyllenhaal looks nearly unrecognizable as ripped boxer Billy Hope in upcoming flick Southpaw in the movie's first released image -- see his insanely buff bod here

Kristin Cavallari shared a post-workout selfie looking super skinny just seven months after giving birth to her second child, baby boy Jaxson -- see the pic

Cameron Diaz and Benji Madden are still going strong -- the couple stepped out holding hands in New York City on Saturday

Newlyweds Solange Knowles and Alan Ferguson celebrated their honeymoon in Brazil -- see all their romantic pics here!

Besties Lauren Conrad and Lo Bosworth reunited with fellow Laguna Beach castmates at their 10-year high school reunion -- see the pics!

Nicole "Snooki" Polizzi married Jionni LaValle on Saturday — see her wedding dress and bridesmaids (including her Jersey Shore castmates) here!