Sammy Hagar's annual Birthday Bash went full-on wild at Cabo Wabo Cantina last night, with rock royalty, surprise guests, and tequila flowing like... well, tequila!

Competing in Japan, where his family roots run deep, Schauffele returned to the winner's circle for the first time in 15 months.

The star-studded shows have featured a vast array of covers, solo hits, Montrose classics and Van Halen deep cuts. Continue ...