Lindsay Lohan just turned the big 4-0, and the Hamptons were buzzing. The actress celebrated her milestone birthday surrounded by family and close friends. But the real surprise guest? None other than NBA superstar Steph Curry and his wife Ayesha, who joined the festivities to help Lohan blow out the candles. Page Six confirmed the star-studded guest list for the exclusive bash, proving Lohan still pulls Hollywood's biggest names for her personal celebrations.