He hasn't attended any public events since June 2018, but Rob Kardashian was pictured leaving Drake's Halloween party on Thursday night, held at Delilah's.
Rob, 32, looked very cosy with his sister Kylie's BFF Stassi Karanikolaou and was pictured with his arm around her waist at around 5am.
Earlier on, the family had attended his sister Kendall's party at Blind Dragon and no doubt it was a joint celebration as it's her 24th birthday in two days.
There he is: Rob Kardashian made a rare public outing as he attended sister Kendall Jenner's Halloween party at Blind Dragon with his arm around Kylie's BFF Stassi Karanikolaou
Good marketing tool: Rob was sporting his own clothing line, wearing a HWD (Halfway Dead) sweater
Rob has not been completely out of the public eye and appeared on Kris Jenner's Instagram back in March, but he rarely ventures out.
His outing comes less than a week after Kylie and Stassi dressed up for another Halloween party as Britney and Madonna and re-enacting that famous kiss.
Audiences were stunned in 2003 when the Material Girl kissed Britney before swapping spit with Christina Aguilera at the MTV Video Music Awards.
Happy: Stassi had a big smile on her face as she was pictured alongside Rob
Could it be? It's unclear whether or not they are dating or just really good friends
Cheeky: Stassi gave Rob a sexy look over her shoulder as he placed his arm around her waist
Rarely seen: Rob made a brief appearance on his mother Kris's Instagram account back in March, but it was a throwback
Kylie and Stassi have been nearly inseparable after a challenging start to the year when her best friend Jordyn Woods revealed she kissed Khloe Kardashian's love-rat boyfriend Tristan Thompson at a house party in Los Angeles on Valentine's Day weekend.
Meanwhile, as well as her own party, Kendall was also pictured heading to Drake's party that same evening, which was held at