Despite the fact that Kate Beckinsale looks like she's about 30 years old herself, her daughter Lily is 18 and a recent high school grad. As a young woman with an impressive social media following is wont to do, she's posted another photo of herself in a bikini on her Instagram:

it's actually called an uneven tan and it's normal

A post shared by lily mo (@lily_beckinsale) on

src="//platform.instagram.com/en_US/embeds.js">