See Which Boy Band Crashed New Kids on the Block's Epic L.A. Show!

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Photo: Instagram
Crowd-surfing, stage-humping, ab-flaunting, mid-show selfies, birthday serenades, Christmas in May and even a cameo from another boy band!
Nothing was off-limits as New Kids on the Block celebrated the House of Blues’ 25th anniversary with a sold-out, confetti-filled show in Anaheim, California, on Saturday.
Danny Wood kicked off the show by introducing a surprise opening set from O-Town, who ran through their biggest hits, but saved the best for last. “We know there’s only one reason we’re here,” joked Jacob Underwood, before performing the 2001 chart-topper, “All Or Nothing.”

But it was NKOTB’s entrance to their catchy latest jam, “One More Night,” from their new EP Thankful that triggered ear-piercing screams from the jam-packed audience.
Performing the biggest hits from their remarkable 33-year career -- including “Step By Step,” “I’ll Be Loving You (Forever),” and “Hangin’ Tough” -- the quintet also treated fans to other favorites from their early albums, changing into throwback outfits, with Donnie Wahlberg sporting a denim romper.
O-Town returned to the stage to join the band in covering 2Pac’s “California Love,” and the group even pulled out tracks like “Peace to the World” from their 1989 holiday record Merry, Merry Christmas. “Every day is Christmas in New Kids land,” explained Joey McIntyre, 44.

Saluting their multi-generational fanbase, the Massachusetts natives invited a young girl named Olivia on stage, with Jonathan Knight leading a sweet “Happy Birthday” serenade. “That's right, remember to go home and brainwash your children,” mused McIntyre, who’s currently starring in his own sitcom, Return of the Mac, on POP. “That's part of being a Blockhead.”
Recently engaged Jonathan, 48, then made a crowd-surfing comeback, despite an off-putting previous experience on the group’s annual cruise. “Last time I did this, I got felt up my a**! It wasn’t pleasant,” he noted before taking the plunge.

While Wood, 48, busted out his break-dancing moves, Jordan teased the ladies with fleeting flashes of his sizzling six-pack, then seductively gyrated against the floor. “We've been coming to Anaheim, California, for 29 years now and for that, New Kids on the Block will be loving you forever,” the 47-year-old father of two said, before singing “I’ll Be Loving You (Forever).”

Following the concert, the “Heartbeat” singers headed to Las Vegas, Nevada, to resume their Total Package Tour with Paula Abdul and Boyz II Men. Wahlberg, 47, was joined by his wife Jenny McCarthy, who accompanied him on a quick trip to Wahlburgers then showed off her best NKOTB dance moves -- complete with Wahlberg’s romper!
“When the wife steals your #romper #manromper and busts out some @nkotb moves better than you! ha ha ha @jennymccarthy #TotalPackageTour,” Wahlberg captioned a hilarious video of McCarthy dancing in his stage outfit.

Here's what the Blue Bloodsstar wore while his wife borrowed his outfit.
We are “Thankful,” for this tweet Jenny! For more on NKOTB and their tour, watch the video below.