Robbie Williams may not be familiar to many in the United States, but in his native Britain, he became a huge pop star, performing to adoring crowds and making 14 No. 1 singles.

Robbie Williams being portrayed as a CGI ape in Better Man could have been a simple gimmick, but it actually has thematic meaning within the story.

If it’s true that your age freezes the day you become famous, then the British pop star Robbie Williams is stuck at 16. So he says near the end of “Better Man," the biopic he produced. “I’m unevolved," he confesses. No kidding — throughout the entire film, Williams is portrayed as an ape.

“In real life I don’t cry that much,” Williams says and then smiles. “You have a (expletive) biography about you and have the world go, ‘I’ve seen you and heard you’ and come tell me how you deal with it.'”

I’m not kidding. And neither are “Better Man” subject Robbie Williams nor the film’s director Michael Gracey. This rise, fall and very fast 12-step recovery saga of the English singing sensation few Americans know presents Williams as a CG chimpanzee.

For the past two hours, they’d watched the real-life story of Robbie Williams — a British pop singer who’s sold over 75 million records — acted out by a CGI monkey. Perhaps my fellow moviegoers needed further confirmation that the star of Better Man was,