Donald Trump children wish their father a happy birthday

Ivanka, Eric, Tiffany and Donald Jr all wished their father a public happy birthday. Photo: Instagram

Donald Trump Jr with his family. (Instagram)

Eric Trump's and his wife Lara (Instagram)

Instagram

Instagram

Getty Images

Donald Trump Jr's daughter and son made an on-Instagram appearance with the president, along with the message 'Happy birthday grandpa. We love you'. (Instagram)

Tiffany Trump (Instagram)