Liam Hemsworth Flaunts Huge Biceps as Miley Brags About New Guy's Abs

Liam Hemsworth’s busting out the big guns … in wake of his ex, Miley Cyrus, publicly flaunting her new man, Cody Simpson, and his glorious abs. Liam’s ripped arms and huge biceps were on full display Monday as he filmed some action scenes in a…