Sierra Marquina

Following their STK restaurant blow up, Married to Medicine costars Quad Webb-Lunceford and Mariah Huq have another altercation on this Sunday's May 4 episode

"Problem" singer Ariana Grande is back together with ex Jai Brooks, multiple sources confirm to Us Weekly, plus, the singer confirms she has a duet with Justin Bieber!

Country artist Luke Bryan had the internet abuzz May 1 when he looked less than impressive during Ariana Grande's performance at the first ever iHeart Radio Awards

Former Beverly Hills, 90210 actor Jason Priestley dishes on costars in new book, Kim Kardashian recycles her denim shirt, and other top stories from May 1

Socialite turned actress Lydia Hearst has ended her relationship with actor Kevin Connolly, sources exclusively confirms to Us Weekly

Glee actress Lea Michele is urging women to wear sunscreen in a new L'Oreal PSA

Pregnant actress Mila Kunis displayed her growing baby bump while taking a yoga class in Los Angeles on Thursday, May 1 -- see the picture

Three years after bridesmaid Pippa Middleton nearly stole the show at sister Kate Middleton's royal wedding, a French etiquette expert is accusing the 30-year-old of wearing a "false bottom"

Naya Rivera was fired from FOX's hit show Glee, Nikki Reed rebounded with Derek Hough after splitting from husband Paul McDonald, and other top stories from April 30

Investigators said Thursday, May 1, that heroin was "likely to have played a role" in Peaches Geldof's April 7 death

Katie Couric taught Sofia Vergara how to do her favorite sexy dance move, "The Lotion," on her talk show Monday, April 28

Single lady Gwyneth Paltrow stepped out for dinner in Bel Air, Calif., makeup free on Tuesday, April 29

Lindsay Lohan and Amanda Seyfried posted photos on their social media accounts, quoting Mean Girls for the film's 10th anniversary on Wednesday, April 30

Pregnant Bachelorette Ashley Hebert reveals she's expecting a baby boy with husband J.P. Rosenbaum -- get the details!

Glee actress Lea Michele opens up, sharing life stories and advice in new lifestyle book Brunette Ambition

Jessica Simpson showed off a super skinny figure while dining with her fiance Eric Johnson and daughter, Prince Harry "amicably" splits from girlfriend of two years Cressida Bonas, and other top stories from April 29

Gwen Stefani officially announced on April 29 that she's joining NBC's The Voice for the upcoming season seven

Khloe Kardashian stepped out yet again with boyfriend French Montana for a date night at Los Angeles' Casa Vega on Monday, April 28 and supported his music via social media

41-year-old actress Cameron Diaz tells Andy Cohen on Watch What Happens Live on April 28 she's "been with a lady" before

Big Bang Theory actress Kaley Cuoco used her husband's tattooed arm to cover her breasts in a recent topless Instagram selfie

Pregnant Smash alum Megan Hilty reveals to Us Weekly the gender of her baby-to-be