A heart-shaped cake is pictured on the occasion of Valentine's Day in Damascus, Syria, on Feb. 12, 2020. (Photo by Ammar Safarjalani/Xinhua)

All's fair in love and streaming: R&B singer Kehlani lit up social media over the weekend with a livid track detailing an apparent break-up with rapper YG.

She dropped the new song "Valentine's Day (Shameful)" that alleges cheating just days after releasing a different collaboration with her on again-off again flame entitled "Konclusions," which painted a much rosier picture of their relationship that they had confirmed began in fall 2019.

The latest song is a laundry list detailing the missteps of a partner - likely YG - along with lines about addiction issues.

"I'd say your name but you don't deserve recognition [Nah] / You played the hero but you really are the villain," Kehlani, 24, sings in "Valentine's Day."

"There ain't a bone in me that wants to spare your feelings [Ah] / You called me crazy, but it was my intuition."

In a now deleted tweet the California singer - who gained fame for her Grammy-nominated mixtape You Should Be Here - had replied to a fan telling her to leave YG saying that "i'm single luv."

In the new song Kehlani confesses to checking YG's phone and alleges infidelity: "Fly to France, wine and crackers, honeymoonin' with the bitch."

Kehlani released her debut studio album SweetSexySavage in January 2017, and more recently lent her vocals to a Justin Bieber track on the pop sensation's latest record.

Rapper YG's hits include "Who Do You Love?," which features Drake and "Toot It and Boot It" featuring Ty Dolla Sign.