India, May 17 -- Donald Trump Jr. faced criticism after posting a photo carousel in honor of his daughter Kai's 19th birthday, which featured multiple bikini images of the YouTube personality, as reported by Wonderwall.com.

His Instagram update displayed Kai in a form-fitting red prom dress, alongside images of him with his eldest daughter from her childhood.

However, the swimsuit pictures left some Instagram users puzzled, as Kai does not post bikini content on her own account.

"Happy birthday to my absolute favorite 19-year-old child. @kaitrumpgolfer I love you and continue to be amazed at the woman you're becoming," Trump Jr. captioned his post on May 12.

Don Jr.'s fiancee, Bettina Anderson, commented, "I can't believe you have a k...