One of the undeniable charms of Pinoy Big Brother Celebrity Collab Edition stars is how relatable they are when it comes to their fan moments.
From screen royalty like Marian Rivera to P-pop sensations such as BINI, these lovable housemates couldn't hide their kilig when meeting their favorite stars.
Recently, several PBB ex-housemates took the spotlight at the vibrant music and fun celebration of Acer Day 2025. Joining the stage for solo, duo, and special group numbers were Klarisse De Guzman, Mika Salamanca, Shuvee Etrata, Esnyr, Will Ashley, Brent Manalo, Ralph De Leon, and Charlie Fleming.
But not only that, they also had the chance to share the spotlight with some of the country's top P-pop acts!
They got to meet the Kings of P-pop SB19, Popstar Royalty Sarah Geronimo, and the P-pop Female Alphas G22.
From high-energy live performances to candid heartwarming exchanges, the night turned into a festive scene of fandom bliss and newly formed friendships--much to the delight of everyone watching.
Check out some of the most memorable PBB housemates and P-pop stars' interactions in this gallery:
Even before the thrilling event, Klarisse De Guzman met up with SB19's Stell for a surprise collaboration.
Klarisse De Guzman and Stell surprised fans with a sudden collaboration, performing a powerful rendition of “A Million Dreams” from The Greatest Showman.
Two queens reunited! Klarisse De Guzman happily greeted Sarah Geronimo backstage. They even quickly caught up for a while and shared a hug.
Will Ashley, Charlie Fleming, and Esnyr were totally successful fans as they joined SB19 on stage for their "CRIMZONE" performance!
Some fans call Will Ashley a certified fan boy. He got to take a photo with G22, Maki, and, of course, SB19!
Not just photos, Will also had the chance to shoot a dance challenge with the Kings of P-pop!
PBB Big Winner Mika Salamanca didn't miss taking a photo with SB19.
G22 was all smiles to see Mika Salamanca joining them on stage. The powerhouse trio each shared greetings and hugs with the Kapuso star
Robi Domingo proved to be the best wingman as he was spotted pulling Esnyr to SB19 Ken. At the end, Esnyr had a quick interaction with the P-pop star which made fans happy for them.
Many fans spotted Shuvee Etrata having fun with other P-pop stars, especially SB19. Many felt related when she was mesmerized to see them up close and perform on stage. Fans also spotted how Shuvee enjoyed company with Stell, as they often laugh and throw jokes at each other.
The ultimate collaboration happened backstage when PBB Celebrity Collab housemates joined SB19 for a fun dance challenge!