She looks like someone who just scored someone half her age.

Kate Beckinsale skipped out of her house on Saturday as she made her way to the gym in LA.The 43-year-old was all smiles, evidently still buzzing from her early morning smooch on Wednesday with 21-year-old aspiring actor Matt Rife in West Hollywood.

The actress showed off her fit frame in tight black leggings under knee high black boots.

She paired those with a grey sports bra under two layers of tank tops, pink and white.

According to Entertainment Tonight, Kate and her toyboy are ‘officially boyfriend and girlfriend.

Things have been developing quickly for the couple, who met through mutual friends, according to the website.

‘They quickly started flirting, went on their first date and it’s continued since,’ the source said.

The actress’ friends are already fans of her new guy, the source said of Matt, who is ‘very mature for his age’, added the insider.

The young actor does stand-up comedy and has appeared on the Nick Cannon show Wild ‘N Out.Kate filed for divorce from husband of 11 years and Underworld director Len Wiseman eight months ago.

Kate Beckinsale