Country stars Kenny Chesney and Toby Keith will take the stage together in Mexico this weekend (13Oct07) - as part of pal Sammy Hagar's 60th birthday celebrations. The former Van Halen star has planned a star-studded event in Cabo San Lucas, Mexico as part of his 60th celebrations. Rockers Michael Anthony, Chad Smith and Ted Nugent are also scheduled to perform at the birthday party, which highlights a two-week festival at Hagar's Cabo Wabo Cantina club - and also helps him kick off his latest U.S. tour.