Jennifer Lopez  turned heads at the Atelier Versace fashion show in Paris on Sunday, showcasing a white dress during the city's famed Fashion Week. Elsewhere, Gisele Bündchen  took a serene stroll with her sister-in-law and the family dog, Khloé Kardashian had a blowout birthday bash, and Uma Thurman  brought an adorable date to an exclusive event. Keep reading to see what the stars were up to this weekend!
Gisele Bündchen  took a stroll with sister-in-law Nancy Brady and her dog in Boston on Saturday.
Khloé Kardashian celebrated her 30th birthday with French Montana at TAO Nightclub in Las Vegas on the Fourth of July.
All Grown Up
Uma Thurman 's daughter, Maya Hawke, gave her a sweet kiss at the Miu Miu fashion show in Paris on Saturday.
Shemar Moore flexed his rock-hard arms in Miami Beach, FL, on Thursday.
Nina Dobrev  looked gorgeous on her way into the Atelier Versace show in Paris on Sunday.
Kim Kardashian  carried her own bags after arriving in NYC on Sunday.
Paris and Nicky Hilton  went shopping in Malibu, CA, on Saturday.
Ripped and Ready
Jason Derulo went shirtless  during his appearance on Good Morning America in NYC on the Fourth of July.
Justin Bieber sipped a cold one with a pal in Miami on Thursday.
Melissa McCarthy took a photo with a fan during a home shopping trip in LA on Saturday.
Queen Letizia of Spain attended the Red Cross's 150th anniversary event in Madrid, Spain, on Friday.
Tom Hanks  and Rita Wilson took their dog on a walk in Malibu, CA, on Saturday.
Adam Lambert  brought down the house during his performance with Queen in Inglewood, CA, on Thursday.
On Sunday, Prince Harry chatted with members of the Infiniti Red Bull Racing team at the British Formula One Grand Prix in Northampton, England.
Josh Duhamel  was on the move in LA's Brentwood neighborhood on Thursday.
Minnie Driver  celebrated the Fourth of July in Malibu, CA.
On Saturday, Lance Bass and fiancé Michael Turchin rode The High Roller, the world's tallest observation wheel, in Las Vegas.
Miranda Kerr  looked ready for a photo shoot when she stepped out of her NYC apartment on Saturday.
Pharrell Williams commanded the stage at the Wireless Festival in London on Sunday.
Rita Ora and Iggy Azalea brought their music to the Wireless Festival in London on Friday.
Nicki Minaj performed at the Philly 4th of July Jam in Philadelphia, PA, on Friday.
On Friday, Jennifer Hudson  flashed her megawatt smile at the Philly 4th of July Jam in Philadelphia, PA.
Cara Delevingne took a silly selfie with concertgoers at the British Summer Time festival in London on Sunday.
Jordin Sparks rehearsed for her appearance at PBS's Fourth of July concert in Washington DC on Thursday.
Jennifer Lopez  was the center of attention at the Atelier Versace show in Paris on Sunday.