Lance Bass and Nick Carter.Photo: Kevin Winter/Getty

LOS ANGELES, CALIFORNIA - JUNE 18: (L-R) Lance Bass of NSYNC and Nick Carter of Backstreet Boys attend “Bingo Under The Stars” in celebration of Pride, hosted by members of NSYNC and Backstreet Boys at The Grove on June 18, 2021 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

The days of boy band rivalries are long over! These days, the once-teen heartthrobs help each other out.

In a series of photos shared toInstagramon Wednesday, 42-year-old Carter and his sisterAngelconnected with Bass, 43, and his 1-year-old twins Violet Betty and Alexander James at the event.

APEX / MEGA

Nick Carter and sister Angel try to embrace holiday at event with Lance Bass and his family after the loss of brother Aaron Carter. They all gathered together for a CBS Holiday show with Gloria Estefan and other performers at The Grove. 20 Nov 2022 Pictured: Nick Carter and Lance. Photo credit: APEX / MEGA TheMegaAgency.com +1 888 505 6342

He also sharedphotosfrom the event with husbandMichael Turchinand their twins, noting that the “babies' first concert was” Estefan, 65, and her daughter Emily, as well asLittle Big Town,Mickey Guyton,Andy Grammer,Katharine McPhee,David Fosterand Santa Claus, who all appeared at the event, which airs next month.

“Not a bad start!” exclaimed Bass in a caption shared alongside the pictures.

Last month, the NSYNC alumcelebrated Violet and Alexander’s first birthdaywith a series of Halloween-themed photos shared to Instagram. “Well…. here we are. The twins turn 1 today. Everyone said how quickly it would go but I really had no idea it would go THAT fast,” Bass wrote.

Lori Dorman Photography

Lance Bass - Violet and Alexander, October Birthday

While speaking with PEOPLE at the Environmental Media Awards Gala last month, Bass said he loves “everything” about fatherhood.

Jon Kopaloff/Getty

Lance Bass

Bass explained that he is making a point to enjoy the milestones the infants are reaching as they grow up.

“Right now, my daughter finally took her first step, so that’s been something that’s so nice,” he said. “My son said his first word a month ago, but he hasn’t said it again. So all those little milestones are just so precious.”

Estefan’s24th Annual A Home for the Holidaysspecial airs Dec. 23 at 8 p.m. on CBS.

source: people.com