Courtesy of ChopardNaomi Watts

They’re having a ball! Naomi Watts (in Marchesa) brought the glam to Elton John’s White Tie & Tiara Ball in London, where she posed with the singer and his husband, David Furnish.¬†Florence Welch and Matthew Morrison¬†also stopped by the fundraiser, which benefited the Elton John AIDS Foundation. See more photos from the star-studded event, along with other hot parties from last night, in the gallery.