Sir Mo Farah, Peter Crouch and his wife Abbey Clancy have posed with moustaches to promote this year's Movember campaign.
The annual campaign aims to raise awareness of men's mental health issues, male suicide and male cancer by asking men to abstain from shaving for a whole month and posting pictures of their facial hair on social media.
This year, Olympian Farah, ex-footballer Crouch and his model wife Clancy are among the celebrities to have got behind the cause.
Presenter Dermot O'Leary, actor Russell Tovey, actor Sam Claflin and rugby player Chris Robshaw have also signed up, as well as musician Miles Kane.
The portraits were taken by photographer Greg Williams.
Crouch said of his involvement: "I've long supported Movember and the important work they do for prostate cancer, testicular cancer and male mental health.
"It's been an honour to join the campaign this year and get behind the cause by growing a mo.
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"This year more than ever, I urge everyone to get involved in the month-long movement and show your support in any way you can."
Movember's CEO Michelle Terry added: "We've seen men embrace facial hair during lockdown and are now asking that they put that practice to good use and grow what could be the most important mo they ever grow."