Kevin Richardson Joins Backstreet Boys On Stage In El Lay!

If you weren't at the NKOTBSB show in El Lay Friday night then you totally missed out!!
During BSB's rendition of I Want It That Way, Kevin Richardson came out on stage at the Staples Center and joined the boys, making the crowd go CRAYZAY!
As one of our favorite Perezcious readers wrote:
"Like a phoenix from the [...]

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