Kaia Gerber and Lewis Pullman attend Venice premiere as couple

Kaia Gerber and Lewis Pullman presented themselves as an official couple at the Venice International Film Festival on Monday, walking the red carpet together for the premiere of Pullman’s film. The model and actor were photographed holding hands and sharing affectionate moments outside the screening, marking their most public appearance since reports of their relationship emerged earlier this year.

The pair arrived in Venice at the end of August, with Gerber seen entering a hotel in a yellow halter top patterned with black polka dots while Pullman followed in a white T-shirt and dark trousers. For the premiere the following night Gerber changed into a sheer black lace dress and Pullman wore a black suit and bow tie. On the carpet they shared a kiss and Pullman leaned to kiss Gerber’s shoulder, while other observers described additional displays of affection during the festival.

Gerber, 23, and Pullman, 32, were first linked in January when they were seen together at a private birthday dinner and later at a Broadway performance, where an eyewitness said Gerber rested her head on Pullman’s shoulder. Photos and social postings through the spring and summer showed the pair spending...