It was a big week in filming with love interests and villains appearing on movie and TV sets this week. Katie Holmes and Luke Kirby sparked chemistry for Mania Days in NYC, while Lena Dunham celebrated her 27th birthday with an ice cream cone during shoots for Girls. Across town, Andrew Garfield hung on tight during a faceoff with The Amazing Spider-Man 2's newest villain, The Rhino, played by Paul Giamatti. Click through to see what other celebrities were up to on their sets this week!

This week a handful of movie and television sets were busy with shoots. While Zac Efron showed off more than just his basketball skills for Townies in LA, Cameron Diaz and Leslie Mann put in plenty of hours and acted out a fight on their Big Apple set. Also in NYC, Megan Fox was up in the air for Teenage Mutant Ninja Turtles alongside Will Arnett, and Vince Vaughn revved up a motorcycle engine in Atlanta for Anchorman 2. Click through to see how other celebrities spent their workweek on sets across the world!

Celebrities made appearances on location all over the world for their big- and small-screen projects this week. Ryan Gosling got to work directing How to Catch a Monster in Detroit, while George Clooney kept up filming for The Monuments Men in Germany. Despite Reese Witherspoon's headline-making arrest, she was back in front of the cameras in Atlanta for The Good Lie, and in NYC, Allison Williams showed off her upper-body strength while working on season three of Girls. Click through to see all of this week's stars on set!

May means Summer is right around the corner, and with Mother's Day, Cinco de Mayo, and more festivities in the works, the POPSUGAR network is turning up the heat with our favorite products for the month. Whether your plans involve movie nights and beachside reading or outdoor activities and indulging beauty treatments, we've rounded up all of our amazing must-have picks in one place. Click through now to check out May's best fashion, beauty, fitness, home, and more!

Celebrities locked lips and showed off new looks while on set this week. On Wednesday, Channing Tatum headed to his trailer in Norfolk, England, for his movie Jupiter Ascending while the film's extras slipped into elaborate sci-fi costumes. Meanwhile, a redheaded Scarlett Johansson took on her Black Widow character in LA for Captain America: The Winter Soldier, and Zac Efron got into a serious lip-locking session for scenes from Townies. Clive Owen also had onscreen action while on set in Vancouver and shared a kiss with Juliette Binoche for Words and Pictures. Click through to see the other stars getting into costume and character this week!