PHOTOS: Check Out Keira Knightley's Engagement Ring!

Keira Knightley cuddles up to her fiance in a taxi! Check out more pics of Hollywood's tightest twosomes

Source: http://www.ivillage.com/star-snapshots-celebrity-couples-photos/1-b-73237?dst=iv%3AiVillage%3Astar-snapshots-celebrity-couples-photos-73237

Anna Friel Anna Kournikova Anna Paquin AnnaLynne McCord Anne Marie Kortright April Scott Arielle Kebbel Ashanti Ashlee Simpson Ashley Greene