19 of Birthday Girl Kristen Bell's Smokin' Hot Red Carpet Moments

The actress turned a lacy crop top and maxi skirt into a red carpet win at the 2017 premiere of Chips.

The actress took the plunge in a low-cut sequined black gown for the 2017 Globes.

Bell radiated in a shimmering strapless Maria Lucia Hohan gown paired with a chic updo and red lip.

The charitable star showed off her toned legs in a black mini and silver stilettos at the 2016 Baby2Baby Gala in Culver City.

The star changed up her style in a black jumpsuit with a rickrack neckline at the Billboard Music Awards.

Bell proved that a covered-up look can be totally sexy in this sheer lace number while representing her upcoming series, The Good Place.

The mom-of-two co-hosted this mom-centric awards show in a sexy LBD with a sheer cutout. 

Bell took the stage to receive one of the Female Stars of the Year Awards in a plunging pink number and elongating nude sandals.

The star of The Boss attended the film's premiere in a plunging sheer strapless dress that perfectly hugs her every curve.

The actress wore a dress fit for a princess to this charity ball.

Bell looked Arendelle-ready in a flowy floral Elizabeth and James design.

The star looked chic in a knee-length Monique Lhuillier number.

Bell was pretty in pink in a strapless gown and sleek updo.

The star played with print at the awards show, pairing tight curls with the patterned mini.

The actress hosted the country music show in a plunging sequined number. Loose, undone waves complemented the sexy look.

The star stunned in a strapless mermaid gown at the 2014 Academy Awards with her own Prince Charming, hubby Dax Shepard.

Queen Elsa would applaud this patterned blue ensemble, paired with a matching Prada bag.

Bell looked playful at the premiere of her hit animated film in an embellished Sachin + Babi halter dress.

The pregnant star showed off her expert maternity style on the Academy Awards red carpet in a sequined empire-waist gown that had her looking just like a princess.