Alex Pettyfer Makes First Official Appearance with Girlfriend Marloes Horst!

Alex Pettyfer hits the red carpet with his gorgeous model girlfriend Marloes Horst while attending the BKB Big Knockout Boxing event held at the Mandalay Bay Events Center on Saturday evening (August 16) in Las Vegas, Nev.

The 24-year-old actor and the 25-year-old model have been dating for the past four months.

Also in attendance at the event were Taylor Kitsch and Adrian Grenier.

Alex and Marloes have been checking out the shows in Vegas over the last couple days.

“Thank you @D_Copperfield for the amazing show tonight! #Vegas #Incredible #MindBlown,” Marloes tweeted the night before.

20+ pics inside of Alex Pettyfer and Marloes Horst at the event…