These surprise visits are getting to be a regular occurrence. First it was eating at Chick-Fil-A in Laguna Niguel
. Then it was the Biebs popping into the normally 21-over La Cave
to sing with Ernie Halter. Now we find out that Justin Bieber
was at the House of Blues
last Sunday to show support for Joseph "Rev Run" Simmon's son, Daniel "Diggy" Simmons
. Soon after the 10-minute appearance (where they performed "Wind It") Bieber tweeted, "
Watch the video after the jump.