Megan Fox Steals The Show On Stage During Boyfriend Machine Gun Kelly's Indy 500 Concert!

Megan Fox continues to be flawless in public while doing her thing! The 35-year-old actress took to the stage during part of rocker boyfriend Machine Gun Kelly‘s weekend performance at Barstool Sports‘ party for the Indianapolis 500 earlier this weekend, and the crowd went CRAZY upon seeing her debut! Related: MGK Reveals CRAZY Fast Relationship Timeline With This Megan