This sh*t's bananas! B-A-N-A-N-A-S!
According to sources, they just signed a contract with rocker grrrl Gwen Stefani!!!!
But if there's anyone that could stay secret, it's the robots in disguise!
Ch-ch-check out the video (above) to see Mark Wahlberg crushing it in the FIRST EVER footage from Transformers: Age Of Extinction!