Travis Kelce brought the party to DJ Chris Lake's Los Angeles concert Friday night, stepping out with friends and wielding a bubble gun at excited fans.
Dressed casually in a blue plaid long-sleeve over a white shirt, paired with a red baseball cap and shades, he appeared to be having a blast.
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Another video shows the Kansas City Chiefs star jamming from an elevated VIP section, eventually joining Lake on stage to help play a Taylor Swift remix.
He enthusiastically yelled into the mic while jumping to the beat.
Kelce has been enjoying a SoCal stay all week, starting with a live taping of his "New Heights" podcast with brother Jason on Monday.
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He was later spotted at the members-only Birds Street Club with Jason and longtime pal Ross Travis, along with comedian Druski.
Meanwhile, Taylor Swift's Rhode Island mansion has seen heavy foot traffic.
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TMZ spotted her high school bestie Abigail Anderson and other women at the oceanfront property in recent days.
Security is tight, and sources say a bachelorette-style gathering is planned there over the weekend.
As previously reported, Swift and Kelce are set to marry in the coming weeks, with a massive celebration at New York City's Madison Square Garden over July 4th weekend.
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Around 1,000 guests have been invited, including Swift's newer pal Sombr, former best friend Karlie Kloss, and Benson Boone.
