Britain's Got Talent boss Simon Cowell made a cheeky reference to his own face in tonight's (May 20) show.

At the time, the judging panel - including Amanda Holden, Bruno Tonioli and Alesha Dixon - had just endured a strange audition that, for a while, seemed as though it was just a guy, named Tom Crosbie, speedily messing around with Rubik's cubes.

Crosbie then flipped the board they'd been placed on, only to reveal Albert Einstein's perfect face - but he wasn't done there either, because Tonioli's face appeared through the colourful cubes on the other side too.

Related: Simon Cowell teases new reality show with former X Factor contestant

Having blown the judges away, the contestant then confessed that he'd originally wanted to work a portrait of Cowell in his routine, but his face was too difficult to bring to life.

In response, Cowell self-deprecatingly suggested he could "change" his face "again" if that would make it any easier, much to the amusement of his co-stars.

It's been a long while since he last said anything about the "Botox years".

Related: Britain's Got Talent's Simon Cowell teases "emotional" new series

Ahead of 2019's Britain's Got Talent: The Champions, Cowell told The Mirror: "I love watching 'the Botox years'. All of us are like, 'Christ, we had a lot that year. Not so much that year… Maybe a bit too much that year'.

"You know, the old clips of us are hysterical. Amanda's always like, 'What was I thinking?', I said, 'Well, I don't look a lot better.'

"I look all right now, but certain years it was like, 'Wow', I don't know what was going on."

Britain's Got Talent airs on ITV1 and ITVX.

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