This past weekend, Reign — who is the 9-year-old son of Kourtney Kardashian and her ex Scott Disick — made an appearance at the Kardashians' annual Halloween party, where he debuted a new hairstyle.

The Olympian's relationship with her former stepdaughter has been rocky for years — making it all the more surprising they posed for photos.

Kim Kardashian, Andrew Garfield and Anna Wintour are among those attending the event honoring artist Simone Leigh and ...