Kylie Jenner celebrated rumored new boyfriend Travis Scott's birthday in New York on Sunday. The 19-year-old reality star rang in Scott's 25th birthday with sister Kendall Jenner, Bella Hadid and other pals amid reports she's dating the "Goosebumps" singer. Kylie Jenner was spotted with Scott and her friends Sunday evening at Cipriani restaurant, according to E! News. She wore black, high-waisted leggings and an oversized jacket, while Scott sported a black sweatsuit. Page Six reported Kylie Jenner presented Scott with his birthday cake, and was later seen "sneaking in a passionate makeout" session with the singer. She shared a photo of herself with Kendall Jenna, Hadid and Jordyn Woods from the bash. "Daniel," the star captioned the picture for her 92.8 million Instagram followers. Kylie Jenner was spotted with her arm around Scott prior to his concert at Bentley University in Waltham, Mass., the day previous, People reported. The pair were later seen kissing at Bijou nightclub in Boston. "They also talked a lot. Like, actually having a conversation," a source said. "They were dancing at the club. They were definitely super into each other." Kylie Jenner and Scott were first linked in April after they were spotted at a Coachella party following the reality star's split from Tyga. The pair were seen holding hands at an NBA finals game last week.