Summer has officially started as we kicked off the party at our Z100 Jumpstart to Summer, brought to you by M&M'S, at Jenkinson’s Boardwalk! This unforgettable celebration featured an all-star lineup with performances from Shinedown, Jax, Knox, Isabel LaRosa, Jake Thistle, and Kyle Cooke's high-energy DJ set. Check out everything that went down Friday, May 24th at the Jersey Shore.