Some weekends may feel like a mess of sweatpants-and-topknot type of days, but there are some nights we feel like getting all glammed up and hitting the town. On nights like that, we turn to the stars, who had a bevy of elegant beauty looks this week. From red lipstick to smoky eyes and blowouts, click through to see the best looks of the week.

Rachel Bilson

While visiting the SiriusXM Studios, Rachel Bilson [1] kept her waves California cool and her makeup simple and sweet.

Keri Russell

Tapping into her inner rocker chick, Keri Russell [2] paired tousled waves with a seriously smoky cat eye at the Fox All-Star party.

Drew Barrymore

While celebrating the release of her photo book, Drew Barrymore [3] went graphic with her eyeliner by accenting her cat eye with a thick turquoise streak.

Anna Kendrick

At the 2014 UNICEF Ball, Anna Kendrick [4] paired a textured half-updo with a smoldering smoky eye.

Alice Eve

Leave it to Alice Eve to mix sexy and sweet at the opening of Tory Burch's Rodeo Drive flagship opening. She paired a demure hairstyle with a deep plum lip.

Chrissy Teigen

Chrissy Teigen's sexy beach hair was perfectly appropriate at the 50th anniversary celebration of the Sports Illustrated Swimsuit Issue.

Julianne Hough

Bold brows, rosy cheeks, and a matte red lip were the perfect look for Julianne Hough at the Chanel dinner celebrating Drew Barrymore [5]'s new book.

Allison Williams

A swept-back ponytail allowed Allison Williams's red lipstick to pop at the London premiere of Girls.

Brooklyn Decker

We were absolutely loving Brooklyn Decker's oversize curls during day seven of the Winter TCA tour!

Tika Sumpter

At the premiere of Ride Along, Tika Sumpter paired a bright red lip with her sleek bob.