This Harry Potter photo was the one that truly confirmed their relationship status. Davidson showed off his Gryffindor pride, whereas Grande showed that she was way more Slytherin.
The two of them met on Saturday Night Live in 2016 when the "Bang Bang" singer was both host and musical guest. They both said they knew from the first time they met that they wanted to marry each other.
Davidson plants a kiss on his girlfriend's cheek.
The couple stepped out for Ariana Grande's birthday dinner and she rocked her signature cat ears.
Grande pokes fun at Davidson and his purple bucket hat while she opts for a cute Snapchat filter.
Grande and Davidson walk down the street in New York after stopping for some coffee.
Early on in their relationship, the comedian got a tattoo of Grande's Dangerous Woman symbol. He recently covered up that ink with a heart.
The SNL comedian and singer rock nearly-matching neon outfits as they sit with Michael Strahan in the recording studio.
The two of them look lovingly at each other while Davidson holds onto Grande's signature high ponytail.
Grande and Davidson pose with former President Bill Clinton at Aretha Franklin's funeral, where Grande performed.
Grande and Davidson step out in New York City as she wears signature knee-high yellow boots with a black jacket.
The couple crashed a reunion pic of The Hills cast on the red carpet at the 2018 MTV VMAs.
The couple made their red carpet debut at the 2018 MTV VMAs in September and were all googly-eyed for each other while posing for photos.
Grande posted about how much she loves Davidson while watching an episode of Saturday Night Live. She wrote on her Instagram story, "I love you like Kanye loves Kanye." She was supposed to perform on the season premiere, but dropped out at the last minute. She was replaced by Kanye West.
In September, Grande adopted a tiny brown pig who has made her fair share of appearances all over social media. Her name is Piggy Smalls and even starred in the music video for "breathin." Davidson also got a tattoo of the animal on his torso. Grande told her Twitter followers that Piggy is her "emotional support" pet.