Luann de Lesseps puts on a show and more star snaps

1 of 16 Countess Luann performs at the Outloud Festival in Hollywood, Calif. William Chapman/Shutterstock 2 of 16 Sarah Pidgeon and Grace Gummer cheer on the Knicks while attending CHANEL’s 19th annual Tribeca Festival Artists Dinner at Tribeca Grill in New York City. Jutharat 'Poupay' Pinyodoonyache 3 of 16 Johnny …

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