The Weekend's Must-See Snaps!

Kesha dazzled on the red carpet at the 2014 Life Ball in Vienna, Austria, on Saturday, showing off a demure look while posing for photos. In other can't-miss shots, Kaley Cuoco couldn't stop smiling as she hit the town after a recent haircut, Alessandra Ambrosio was all about breaking a sweat, and Jennifer Lopez and Ricky Martin got wild on stage. Keep reading to see all that and more!

Power of the Pixie
Pacific Coast News Online

Power of the Pixie

Kaley Cuoco smiled wide while showing off her new look in LA on Sunday.

Showstopper
Getty | Harry Woods

Showstopper

Jennifer Lopez felt the love while performing at Kiss 108's Kiss Concert in Mansfield, MA, on Saturday.

Livin' la Vida Loca
Getty | Thomas Niedermueller

Livin' la Vida Loca

On Saturday Ricky Martin proved his moves are here to stay during his performance at the 2014 Life Ball in Vienna, Austria.

Audacious Author
Getty | Steve Sands

Audacious Author

Amy Poehler chatted about her new book, Yes Please, at a 2014 Book Expo America event in NYC on Saturday.

Clad in Plaid
Pacific Coast News Online

Clad in Plaid

Josh Hartnett dined at Crossroads restaurant in LA on Saturday.

All That Glitters
Pacific Coast News Online

All That Glitters

Demi Lovato beamed after performing at a nightclub in London on Saturday.

Stroll in the City
Pacific Coast News Online

Stroll in the City

Dakota Johnson laced up her tennis shoes before a walk with a pal in NYC on Saturday.

Thumbs-Up
FameFlynet

Thumbs-Up

Adam Lambert attended the last performance of We Will Rock You on Broadway in NYC on Saturday.

Comedic Pals
FameFlynet

Comedic Pals

Lena Dunham let out a laugh during a stroll with B.J. Novak in NYC on Saturday.

Out and About
FameFlynet

Out and About

Drake brought his good looks to Mastro's Steakhouse in Beverly Hills on Friday.

Jet-Setter
FameFlynet

Jet-Setter

Khloé Kardashian breezed through NYC's JFK airport in ripped jeans on Saturday.

Contagious Enthusiasm
Getty | Kevin Winter

Contagious Enthusiasm

Zoe Saldana took center stage at the Step Up 11th annual Inspiration Awards at the Beverly Hilton Hotel in Beverly Hills on Friday.

Mom-to-Be
INFphoto.com

Mom-to-Be

Stacy Keibler went shopping at Kitson in LA on Friday.

Modern Lady
Getty | Jon Kopaloff

Modern Lady

Julie Bowen's ensemble matched the decor the Step Up 11th annual Inspiration Awards at the Beverly Hilton Hotel in Beverly Hills on Friday.

Rumer Has It
Getty | Paul Archuleta

Rumer Has It

On Friday, Rumer Willis showed some skin at the LA premiere of The Odd Way Home, where she buddied up with Chris Marquette on the red carpet.

Tony Taylor
Getty | Jun Sato

Tony Taylor

Taylor Swift made a picture-perfect arrival at the airport in Narita, Japan, on Saturday.

Working It Out
Getty | Bauer-Griffin

Working It Out

Alessandra Ambrosio bared her midriff after scoring some exercise in LA on Friday.

Blond Ambition
Getty | Gisela Schober

Blond Ambition

Kesha went with an elegant look at the 2014 Life Ball in Vienna, Austria, on Saturday.