Rob and Kristen's Bikini and Shirtless Romp, Plus Prince William and Jessica's Engagement Announcements in This Week in Photos!

Rob and Kristen's Romp, Plus Prince William and Jessica's Engagements in This Week in Photos!

Rob and Kristen's Bikini and Shirtless Romp, Plus Prince William and Jessica's Engagement Announcements in This Week in Photos!

It was another busy week for some of our favorite stars, with Robert Pattinson and Kristen Stewart steaming things up on the set of Breaking Dawn! Both Prince William and Jessica Simpson announced their engagements and the stars of Harry Potter and the Deathly Hallows: Part 1 premiered their film in NYC — click through our news and photos roundup!

Source: Ramey, INFphoto.com and Getty
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