Pictures Whose Ring Is That!? February 5, 2011 / 12:06 PM EST / CBS News Kate Middleton ring1 (credit: JOHN MACDOUGALL/AFP/Getty Images) Susan Downey ring1 Demi Moore ring1 Katie Holmes ring1 Jennifer Lopez ring Jennifer Garner ring Scarlett Johansson ring Sandra Bullock ring Angie Harmon ring Barack Obama ring Avril Lavigne ring Eva Longoria ring Pink ring Salma Hayak ring Anna Paquin