Rex confirmed his departure from season 21 after host Ryan Seacrest announced the surprise return of Paige Anne.
Rex, who is the son ofA Clockwork OrangeactorMalcolm McDowell, shared the news Tuesday onInstagram Story.
Though the 19-year-old made the top 26, Rex said he made the decision not to continue on.

Beckett Rex (back) with ‘American Idol’ season 21 contestants.ABC/Eric McCandless
“hey go vote for my friends now as they continue on in the competition,” he added.
Rex’s departure comes after contestantsKaya StewartandSara Beth Liebedecided to leave the show earlier this month.
“It means the world to me, because the inspiration for it, apparently, were my eyes….

Beckett Rex confirms exit from ‘American Idol’ season 21.Beckett Rex/Instagram
It is every father’s dream.”
Read Rex’s message in full above.