The rumored couple hit the LA premiere of Ender's Game last night and looked thrilled as they warmly embraced on the red carpet as photographers snapped away.
Kylie, 16, and Jaden, 15, were also all smiles as they posed for pics together with their arms wrapped around each other.
The twosome was reported to be dating back in March, but have never confirmed or denied their relationship status.
After their movie date, Kylie Retweeted this romantic quote: "I hope you fall in love with someone who makes you question why you ever thought you would be better off alone."
Jaden also joined Kylie in San Francisco last week to see Kanye West propose to Kim Kardashian, and her own dad Bruce Jenner wasn't even invited to that intimate celebration!
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Gallery | Jaden Smith's Photo Timeline!