Ariana Grande and Pete Davidson Celebrate Engagement at Disneyland The two made a post-engagement trip to the happiest place on Earth and fans spotted the couple boarding Space Mountain. Grande posted a few videos of her and the ‘SNL’ star riding a roller coaster. She captioned a video with “full mood.” Grande’s brother Frankie and mom Joan Grande joined the couple at the theme park. News of their engagement broke Monday after Davidson proposed to the singer after a few weeks of dating. The two have known each other since 2016, after the "No Tears Left To Cry" singer performed on 'SNL.'