Best Looks: Blake Lively

Lively donned a sequined yellow Retrofête dress, Lorraine Schwartz jewelry, and vibrant curls to announce her third pregnancy alongside Ryan Reynolds at the Detective Pikachu premiere.

Attending the Versace Fall fashion show while channeling a stylish disco ball.

Heading to Dior's Paris Fashion Week show.

Leaving a TV appearance, wearing pinstripe in Paris.

Walking the carpet of the A Simple Favor premiere in Paris.

For the U.K. premiere of A Simple Favor, Lively strutted the carpet in a pastel three-piece suit from Ralph Lauren.

Lively enjoyed a day in the city while debuting a navy blue suit, newsboy cap, and black boots.

Lively donned a monochromatic look as one of five (!!) she would sport for this day of her A Simple Favor press tour alone.

Another hour, another high-fashion statement suit from Lively while promoting A Simple Favor.

Lively strolled the sidewalk once more in an orange suit with major retro vibes.

Lively walked the streets of the city again in a poppy menswear-inspired look for A Simple Favor press engagements.

Posing in purple for an appearance on Good Morning America.

Attending the 50th anniversary Ralph Lauren event during New York Fashion Week, cane and all.

Backstage at the VMA Awards after presenting alongside A Simple Favor co-star Anna Kendrick.

Heading to the VMAs, the star dressed to impress in a white menswear-inspired ensemble.

Out and about in New York City for her film's press tour, clad in a pinstripe suit and button-up, lace underlay.

Lively continued her chic press tour streak with this multi-colored plaid suit, accessorized with a tie and brooch.

Out and about for the A Simple Favor press tour in a blue velour suit.

To kick off her truly unprecedented (fashion-wise) press tour for A Simple Favor, Lively stepped out in this neon Versace suit.

Lively accompanied Reynolds to a screening of Deadpool 2.