Summer lovin’ happened so fast for Billie Eilish and Nat Wolff.

The Grammy-winning artist, 23, and actor, 30, have officially announced to the public their romantic involvement following widespread speculation.

The Wildflower singer and actor, 30, were seen kissing during an outing in Venice, Italy this past weekend in images published by Deux Moi.

The nine-time Grammy winner was seen snapping selfies with her new beau as she donned a striped green polo shirt with her black locks down. 

She beamed as she spent time with her new paramour, who has appeared in movies such as 2014’s The Fault in Our Stars and 2015’s Paper Towns.

Wolff wore a white T-shirt as he enjoyed the summer weekend with the songstress, as they toasted with glasses of champagne. 

Billie Eilish, 23, and Nat Wolff, 30, revealed their relationship with a PDA-filled moment in Venice, Italy over the weekend. They were previously seen together last year on the set of a music video they worked on together.

At just 23, the feted singer-songwrriter has captured nine Grammys. Pictured in March in LA

‘The couple were locked in a passionate kiss on a balcony, a scene straight out of a romance novel,’ a report from the outlet Deux Moi read. 

‘Enhancing the dreamy ambiance, they were observed sipping champagne and basking in the Italian sun, evidently relishing a romantic European trip.’

In images snapped in Italy, both appeared to be in great moods as their romance appeared to be going in a more public direction.   

The confirmation of the romance comes nearly one year after the released video for her single Chihiro, which featured Wolff as her love interest. 

Eilish, who directed the music video, described the relationship between their characters in the video as an  ‘inescapable connection.’ 

The video for Eilish’s single Chihiro featured Wolff as her love interest 

The ‘inescapable connection’ between the two described by Eilish is depicted as they make their way out of the building and into a grassy field, where they playfully wrestle and eventually embrace one another 

In the video, Eilish is seen making her way down a series of hallways in a drab institutional building, eventually convening with Wolff 

In the music video, they make their way out of the building and into a grassy field, where they playfully wrestle and eventually embrace one another.

The idea behind the interaction between the characters, according to Eilish, was the ‘external expression of an internal push and pull, as our deepest feelings of fear, love, or desire inevitably catch up to us, no matter how hard we try to run away.’

On Spotify, the song has been played more than 852 million times.