This past Friday, June 22, members of the group No Doubt made a suprise entrance at the end of Gwen Stefani’s show at Irving’s Verizon Wireless Amphitheatre in California.

No Doubt had announced that they would be reuniting the make their sixth album earlier this month. Their last album together was 2001’s Rock Steady.http://www.nme.com/news/no-doubt/29218