Must-see videos of the week Feb 13 - 20

US photographer Brian Hawkins captured this perfect moment when lightning struck the Burj Khalifa while on a trip to Dubai last week. Follow Brian's work on his Instagram account.

Meet the 23-year-old girl who’s growing a beard – and says she feels more feminine than ever. Harnaam Kaur, from Slough, suffers with polycystic ovary syndrome, which causes excessive hair growth. Harnaam became so self conscious she refused to leave her house, except to go to lessons, and at her lowest point she began self harming and even considered taking her own life. But, at the age of 16, she finally found the courage to accept her facial hair after being baptised as a Sikh.

Kate Upton defied gravity for the 50th Anniversary of the Sports Illustrated Swimsuit issue. The 21-year-old got into her itty bitty bikini and hopped on a zero gravity plane off the coast of Cape Canaveral, Florida for the magazine’s issue to get the gorgeous shot. While posing for the famous magazine might be a daunting task, the super model managed to make it look simple in the behind-the-scenes video posted Tuesday.

You'll never guess how old Sam 'Sonny' Bryant the champion bodybuilder is.

Her face might not be familiar - but with more than 1.7 million fans on Instagram Jen Selter may have the world's most famous bottom. Curvy Jen, 20, amassed the huge following since she began posting pictures of herself working out on the photo-sharing site in March 2012. Since then she has become an online hit thanks to her most famous asset - her butt.