Christie Brinkleyis ready to take on the dance floor — despite some doubts from her own kids.The model and actress, 65, wasannouncedon Wednesday as one of the 12 competing celebrities forDancing with the Stars‘28th season. And while Brinkley is ready for that challenge, her children had quite the reaction to their mom joining the ABC series.“They laughed,” Brinkley toldPEOPLE Nowon Wednesday. “They were like, ‘Oh you’re going to doDancing with the Stars?'”While Brinkley’s kids weren’t so sure about their mother’s chances in the ballroom, they were thrilled upon learning the names of the other celebrity contenders.“They got really excited when they started hearing about some of the other people that were coming,” Brinkley said. “You know, there were like leaks coming out of, maybe there is going to be this person or that, and I know my daughterSailoris a bigKaramo [Brown]fan. So she was like ‘I’ll be there to visit.'”Christie Brinkley.Mike Coppola/Getty Images for LifetimeBrinkley has three children: daughterAlexa Ray Joel, 33; son Jack Brinkley Cook, 24; and daughterSailor Brinkley Cook, 21.Brinkley has frequently appeared at modeling events with her daughters. In February, shewalked the runwayat New York Fashion Week alongside Sailor.Brinkley and Sailorposed in swimsuitsalong with Alexa, who is a singer-songwriter like her father Billy Joel, for the 2017Sports IllustratedSwimsuit Issue. Sailor called it a “very empowering and liberating” experience.Michael Stewart/GettyMeanwhile, Jack has kept busy with his new ride-sharing service called Rove, whichlaunchedin June and is aimed at New Yorkers traveling to the Hamptons.Brinkley was a proud parent as she celebrated Jack’s accomplishments onInstagram.“…And not just for the young and cool you may just spot an old relic like me on @ridewithrove although the cool may rub off of me and then watch out!” she wrote. “I’ll be impossible to live with! Lol! Seriously Rove is the way to go no matter what! 💙 Congrats to everyone at Rove!”Christie Brinkley, Jack Brinkley-Cook.Sylvain Gaboury/Patrick McMullan via GettyNow, the mother of three’s focus is squarely on her dancing ability as she fights for the mirrorball trophy onDWTS. She is joining The Supremes’ Mary Wilson,Karamo Brown,The Bachelorette‘sHannah Brown, former White House press secretarySean Spicer, country starLauren Alaina, actorJames Van Der Beek, NFL legend Ray Lewis,The Officestar Kate Flannery, pop starAlly Brooke, former basketball playerLamar Odomand comedian/actorKel Mitchellout on the ballroom this season.And for the first time on the series, the pro dance partner pairings won’t be unveiled until the premiere.Season 28 of Dancingwith the Starspremieres Sept. 16 on ABC.

Christie Brinkleyis ready to take on the dance floor — despite some doubts from her own kids.

The model and actress, 65, wasannouncedon Wednesday as one of the 12 competing celebrities forDancing with the Stars‘28th season. And while Brinkley is ready for that challenge, her children had quite the reaction to their mom joining the ABC series.

“They laughed,” Brinkley toldPEOPLE Nowon Wednesday. “They were like, ‘Oh you’re going to doDancing with the Stars?'”

While Brinkley’s kids weren’t so sure about their mother’s chances in the ballroom, they were thrilled upon learning the names of the other celebrity contenders.

“They got really excited when they started hearing about some of the other people that were coming,” Brinkley said. “You know, there were like leaks coming out of, maybe there is going to be this person or that, and I know my daughterSailoris a bigKaramo [Brown]fan. So she was like ‘I’ll be there to visit.'”

Christie Brinkley.Mike Coppola/Getty Images for Lifetime

Lifetime’s American Beauty Star Season 2 LIVE Finale

Brinkley has three children: daughterAlexa Ray Joel, 33; son Jack Brinkley Cook, 24; and daughterSailor Brinkley Cook, 21.

Brinkley has frequently appeared at modeling events with her daughters. In February, shewalked the runwayat New York Fashion Week alongside Sailor.

Brinkley and Sailorposed in swimsuitsalong with Alexa, who is a singer-songwriter like her father Billy Joel, for the 2017Sports IllustratedSwimsuit Issue. Sailor called it a “very empowering and liberating” experience.

Michael Stewart/Getty

Christie-Brinkley-daughter-1

Meanwhile, Jack has kept busy with his new ride-sharing service called Rove, whichlaunchedin June and is aimed at New Yorkers traveling to the Hamptons.

Brinkley was a proud parent as she celebrated Jack’s accomplishments onInstagram.

“…And not just for the young and cool you may just spot an old relic like me on @ridewithrove although the cool may rub off of me and then watch out!” she wrote. “I’ll be impossible to live with! Lol! Seriously Rove is the way to go no matter what! 💙 Congrats to everyone at Rove!”

Christie Brinkley, Jack Brinkley-Cook.Sylvain Gaboury/Patrick McMullan via Getty

Christie Brinkley and Jack Brinkley-Cook

Now, the mother of three’s focus is squarely on her dancing ability as she fights for the mirrorball trophy onDWTS. She is joining The Supremes’ Mary Wilson,Karamo Brown,The Bachelorette‘sHannah Brown, former White House press secretarySean Spicer, country starLauren Alaina, actorJames Van Der Beek, NFL legend Ray Lewis,The Officestar Kate Flannery, pop starAlly Brooke, former basketball playerLamar Odomand comedian/actorKel Mitchellout on the ballroom this season.

And for the first time on the series, the pro dance partner pairings won’t be unveiled until the premiere.

Season 28 of Dancingwith the Starspremieres Sept. 16 on ABC.

source: people.com