Marc Malkin Senior Film Awards, Events & Lifestyle EditorAt Thursday night’s 20th anniversary celebration of Eric Eisner’s scholarship program YES for disadvantaged and underserved youth, David Geffen made a surprise $1 million donation, as did Mellody Hobson. Christina Aguilera performed in a sparkly pink dress and former “Bachelorette” star Rachel Lindsay passed out red roses (natch!) to guests gifting $10,000 donations.