This Week's Can't-Miss Shots!

Updated on 1/25/2014 at 9:03 AM

Come snow or shine, our favorite celebrities went all out this week. Sienna Miller turned heads in a revealing two-piece bikini during a family beach day with her daughter, Marlowe, and fiancé Tom Sturridge in Mexico. As if her bikini body didn't provide enough excitement, the actress put her new red hair on display. In much different climates, Andy Samberg hilariously turned the NYC streets into a ski slope, and Kristen Stewart buddied up with costars at Sundance. Meanwhile, Justin Bieber gave fans a photo op mere minutes after being released from jail in Miami. Check out all that and more with this week's can't-miss shots!

Justin Bieber left the Miami-Dade County jail in Florida on top of his black SUV while waving to gathered fans.

Brad Pitt cracked up with Julia Roberts, Danny Moder, and Steve McQueen at the Screen Actors Guild Awards.

Happy couple Charlize Theron and Sean Penn took her son, Jackson, on a family grocery shopping trip at Whole Foods in LA.

Prince Harry showed off his clean-shaven face in his first postbeard public appearance in London.

Kristen Stewart reunited with Emile Hirsch at the star-studded Sundance Film Festival.

Michael B. Jordan and Zac Efron joked around at the premiere of their latest flick, That Awkward Moment, in NYC.

Rachel Zoe got an adorable smooch from her 2-year-old son, Skyler Berman, in LA.

In an effort to make it to his Late Show With David Letterman appearance on time, Andy Samberg skied his way down Broadway in NYC.

Sienna Miller showed off her bikini body during a family vacation in Mexico.