From reality to royalty, Nicole "Snooki" Polizzi decided to give Kate Middleton and Prince William some parenting advice. Wow, those are some names we never thought we'd use in the same sentence! The new mom, who gave birth to her little meatball, Lorenzo, back in August, couldn't be happier for the Duke and Duchess of Cambridge and offered her words of wisdom via the New York Daily News. Find out what she said! Plus, just one day after Taylor Swift was spotted with her reported new boy band beau, One Direction's Harry Styles, the songstress was honored on Monday night in NYC by ex-boyfriend Conor Kennedy's family. Umm, awkward! And Kendall and Kylie Jenner seemed to be keeping up with Kim Kardashian's style when they sported some high wasted leather skirts at KIIS FM's Jingle Ball in Los Angeles.

 We had no idea that Bruce Springsteen's 20-year-old daughter, Jessica, was an accomplished equestrian … until now! The brunette beauty competed in the Gucci Paris Masters 2012 in Paris over the weekend and from the amazing photos, she looks like a horse riding super star. Jessica, who competed in the Style and Competition for Amade, came in 6th place, beating out another celebrity offspring. You'll never guess who! Plus, Taylor Swift's relationship rumors begin again after she was spotted out and about with One Direction's Harry Styles at the Central Park Zoo on Sunday in NYC, and we're taking a look at some of last week's wackiest ensembles — worn by stars like Phoebe Price and Fergie — that might just have you saying, What Were They Thinking?!

 Even though Katy Perry and her sexy figure might be the envy of women all over the world, it turns out she's just your average California girl! The 28-year-old pop star opened up to Us Weekly at the UNICEF Snowflake Ball in NYC on Tuesday and dished on some of her insecurities. The "Wide Awake" singer also revealed her secret to staying confident in her own skin … she wears Spanx! Plus, Kristen Stewart looked tomboy chic at the Variety Awards Studio on Wednesday in Los Angeles, and we're taking a look at some of the funniest celeb tweets of the week. Let us know on Facebook or Twitter which made you LOL — and why!

Mariah Carey stole the spotlight from Santa Claus while pre-taping her performances at the Rockefeller Center Christmas Tree Lighting in NYC on Tuesday. Despite the Big Apple's frigid temperatures that night, the 42-year-old songstress sported two very revealing dresses, but somehow looked perfectly comfortable! Plus, Kate Middleton debuted her new haircut to the world at the opening of the Natural History Museum's new Treasures Gallery in London, and Selena Gomez was all smiles at the UNICEF Snowflake Ball in New York City.

Kourtney Kardashian and her fam — beau Scott Disick, 2-year-old son Mason, and 4-month-old daughter Penelope — had some fun in the sun at a beach in Miami on Monday. Penelope, who looked like a natural in front of the camera, sported a fashionable head wrap that was almost as big as she is! While the kids looked like they had a blast, Scott — who was sporting an eye patch — seemed slightly less enthusiastic to be part of the family day. Plus, our '90s childhood dream has finally come true! Ben Savage and Danielle Fishel have officially signed on to reprise their roles of Corey and Topanga in the "Boy Meets World" series sequel, "Girl Meets World." And Emily Blunt and her hubby, John Krasinski, were all smiles at the Gotham Independent Film Awards in NYC on Monday.

Wow, talk about all grown up! Abigail Breslin, who's starring in the upcoming psychological thriller "Final Girl," recently teamed up with controversial photographer and director of the film, Tyler Shields, for a glamorous photo shoot. Tyler gave omg! NOW an exclusive first look at the pics of the 16-year-old actress who looks unrecognizable — not to mention twice her age — wearing a sultry red dress with bleach blond hair and heavy makeup. Tyler tells omg! NOW, "This is just one of the looks of her character in the film, which is very exciting to me because no one has ever seen this side of her." Can you believe that's the same little girl from 2006's "Little Miss Sunshine?" Yeah, we feel old too! Find out the deets on their upcoming flick and how Abigail and Tyler ended up working together in the first place. Plus, Bethenny Frankel proved she is one hot mama when she sported a sexy white bikini while lounging around with her adorable 2-year-old daughter, Bryn, in

 Since Thanksgiving is just around the corner, we all want to know what our favorite stars will be doing for the holiday … especially newly single Katie Holmes! The 33-year-old actress — who will be celebrating Turkey Day this year without Tom Cruise — is headed to Ohio with her daughter Suri to visit family. Find out what special tradition the Holmes clan takes part in each year. Plus, January Jones debuted brunette locks on Monday in Los Angeles, and Rihanna donned an oversized getup from a menswear collection to turn on the Christmas lights at a Westfield shopping center in London.

Taylor Swift is known for her casual style and her long blond hair, but that all changed Sunday night when the 22-year-old songstress rocked a new look – a short haircut with pink tips – on the set of her “I Knew You Were Trouble” in Los Angeles. Plus, Jordin Sparks and Jason Derulo engaged in some serious PDA at Sunday night’s American Music Awards, and we're taking a look at some of last week's wackiest ensembles that might just have you saying, "What Were They Thinking!?"