Today marks Scarlett Johansson's 27th birthday! To celebrate her big day, we're taking a look back at some of her sweetest and sexiest snaps over the years. Scarlett is among Hollywood's most beautiful and was even named Esquire's Sexiest Woman Alive in 2006 — but that doesn't mean she hasn't had her share of sweet moments too. In honor of Scarlett's special day, we've rounded up a collection of both. Click through to see them all now!