Model Bella Hadid’s beau, The Weeknd (real name: Abel Tesfaye), was seen with not one but TWO women at a party where his girlfriend was nowhere to be found, a source exclusively reveals to Life & Style Weekly.

RELATED: Bella Hadid Steps Out With Rumored Boyfriend The Weeknd — Flaunts MAJOR Side-Boob in the Process!

According to the source, the “Can’t Feel My Face” singer, 25, met the women, both 19, after his album release party for Beauty Behind the Madness in August, three months after he began dating Bella, who’s also 19.

bella hadid and the weeknd

Bella Hadid and The Weeknd in October.

“He went to an after party at a private house in LA,” the source revealed, adding that The Weeknd started flirting with the two ladies — one petite and dark-haired, the other a tall and curvy blonde.

Soon, “he was making out with both of them, going back and forth. Then they disappeared into a bedroom together.”

For more on this and all your favorite celebrity couples, pick up the latest issue of Life & Style Weekly, on newsstands now!