An army of A-listers showed to last night's 69th annual American Ballet Theatre spring gala (and, if they were lucky, got a glimpse of Michelle Obama dressed in a black Alaia dress and Thakoon jacket). Among those in attendance: Anna Wintour, Carolina and Reinaldo Herrera, Chuck Schumer, Christine and Steve Schwarzman, David and Julia Koch, Caroline Kennedy and Ed Schlossberg, Calvin Klein, Francisco Costa, Ivanka Trump, Caryn and Jeff Zucker, Annette and Matt Lauer, Al Roker and Deborah Roberts, Lorne Michaels, Desiree Rogers, Claire Danes and Hugh Dancy, Renee Zellweger, Sigourney Weaver, Tory Burch, Iman, Grace Hightower, Rachel Roy, Robbie Myers, Hamish Bowles, Renee Fleming, Lisa Perry, Muffie Potter Aston, Amanda Brooks, Peter and Jamee Gregory, Yvonne Force Villareal, Marina Rust Connor, Marjorie Gubelmann, Nina Griscom and Leonel Piraino, Karen and Richard LeFrak, Blaine Trump, Harry Evans, Hilary Rhoda, Coco Rocha, Mariska Hargitay, Lindsay Price, Kim Raver, Ruben Toledo and Isabel Toledo, Dree Hemingway, Gillian and Sylvester Miniter, and Kelly Ripa and husband Mark Consuelos (left), a former dancer himself. [PMc, Wireimage, Style.com]

Ivana Trump turns 60 today. Anderson Cooper's mother, heiress Gloria Vanderbilt, is 85. Cindy Crawford is 43. Sidney Poitier turns 82. Coach president Reed Krakoff is 45. Grace Hightower De Niro is turning 56. Knicks guard Stephon Marbury is 32. Patty Hearst is turning 55. Architect Deborah Berke is turning 55. Charles Barkley is 46. Senator Mitch McConnell is turning 67. Actress Lauren Ambrose is 31. And poor Rihanna turns 21 today. Weekend birthdays after the jump!

A former model and flight attendant, Grace Hightower is the second wife of Robert De Niro and the mother of De Niro's son, Elliot, and daughter, Helen.