Star Tracks: Monday, May 10, 2010

Sandra Bullock spends a sunny Saturday afternoon in New Orleans's French Quarter, where she and son Louis (not pictured) visited a gallery. The city holds special meaning for the Oscar winner and her newly adopted 4-month-old, who was born in the Big Easy.

That's how Batman does it, too! Gwen Stefani and son Kingston, 3, take a ride for two down an inflatable slide at a superhero-themed birthday party in Sherman Oaks, Calif., on Saturday.

Buongiorno! Johnny Depp is all about making waves on the set of The Tourist in Venice on Monday.

A newly single Halle Berry totes 2-year-old Nahla during their mother-daughter stroll along Santa Monica's Third Street Promenade on Mother's Day.

Teen heartthrob Justin Bieber hangs with his plush posse, Bugs Bunny and Daffy Duck, during a visit to Six Flags Magic Mountain in Valencia, Calif., on Saturday.

"Mommy, Happy Mother's Day!" Tori Spelling – who recently renewed her wedding vows – Tweeted to her once-estranged mother Candy during Sunday brunch at the Four Seasons in Beverly Hills.

Jake Gyllenhaal and his costar Gemma Arterton celebrate the world premiere of their fantasy film, Prince of Persia: The Sands of Time, on the red carpet at the Vue Cinemas Westfield in London on Sunday.

Mary J. Blige, Jennifer Hudson and Oprah Winfrey walk it out during O, the Oprah Magazine's Live Your Best Life event in New York City on Sunday. Hudson celebrated her first Mother's Day by singing "Happy Birthday" to Winfrey, whose magazine turns 10.

Audrina Patridge is ready to make a splash during a party for her birthday at the Liquid Pool Lounge at the Aria Resort and Casino in Las Vegas on Saturday. The Hills star turns 25 on Sunday.

Gisele Bündchen holds tight to 4-month-old son Benjamin Thursday during a family outing with stepson Jack (not pictured) to the Color Me Mine pottery store in Santa Monica, Calif.

A dressed-down Halle Berry – who recently announced her split from Gabriel Aubry – keeps it casual while making her way through LAX Friday.

Now that's a close shave, Oprah! The media mogul takes a razor to pal Dr. Phil McGraw's signature moustache while taping her talk show in celebration of the 10th anniversary of her magazine, O, at Radio City Music Hall Friday.

Following a whirlwind promo tour for The Back-up Plan, Jennifer Lopez catches up on family time Friday, taking daughter Emme, 2, to the carousel at a Monaco park.

Prince Harry receives his "wings" from dad Prince Charles Friday after completing helicopter training with the Army Air Corps. The ceremony, held at an army air base in Middle Wallop, Hampshire, was attended by Harry's on-again girlfriend, Chelsy Davy.

Red alert! On-the-go mom Christina Aguilera and her color-matched son Max, 2, take a chic stroll through New York City on Friday.

Thumbs up for the paparazzi – at least this time! A grateful Pete Wentz reportedly receives some spare change for his parking meter from a friendly photog in West Hollywood on Friday.