Austin Mahone is celebrating his 18th birthday today with a major announcement for his Mahomies. The teen sensation will drop his debut release “The Secret” on May 27th, followed by a summer tour across North America. The MTV Presents Austin Mahone tour will kick off in his hometown of San Antonio, Texas on July 25th with The Vamps (through August 21st) and special guests Fifth Harmony, Shawn Mendes and Alex Angelo (starting August 26th). Concert goers will receive a download of “The Secret” on May 27th with purchase of tickets to the tour (One download code per order for online purchases only; does not apply to box office or outlet ticket purchases). Visitwww.austinmahone.com for more ticketing info. Tickets go on sale April 11th at 10:00am with a fan club pre-sale beginning April 8th. Citi cardmembers receive access to presale tickets beginning on Wednesday, April 9th at 10am local time through Thursday, April 10th at 10pm local time. Visit citiprivatepass.com for more information. Citi is the official card of Mahone’s not to miss, MTV Presents Austin Mahone tour. The tour is guaranteed to be the biggest teen party of the summer!