Even Cara Delevingne was entranced by Rihanna’s cleavage at the London premiere of “Valerian and the City of a Thousand Planets”.

The 24-year-old model-turned-actress took to Instagram on Tuesday to poke fun at herself for staring at her friend’s bosom on the red carpet, after a photo of the pair quickly went viral.

RELATED: Rihanna Shows Major Cleavage in Head-Turning Red Dress at ‘Valerian’ Premiere: Pics!

“😂 @badgalriri,” Delevingne wrote alongside the meme, which read, “Cara is all of us.”

View this post on Instagram

😂 @badgalriri

A post shared by Cara Delevingne (@caradelevingne) on

RELATED: Rihanna Turns Heads in Pink Feathered Look at ‘Valerian’ Premiere in Paris: Pics!

While Rihanna has definitely been bringing the fashion while promoting the Luc Besson movie, Delevingne knows how to turn heads as well. See the pair’s headline-making looks at “Valerian’s” Hollywood premiere in the video below.

More on ET: