"Awesome!" she reportedly said after meeting the prince. "He was very funny. I was really happy he was funny."
Jon Bon Jovi was also schedule to perform at the reception for over 200 major donors.
Centrepoint is a homeless youth charity that Prince William took on after his mother Princess Diana died in 1997.
Other celebrity guests at the gala included Colin Firth, Benedict Cumberbatch, Michelle Dockery.
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