From what it looks like, Selena Gomez and Kendall Jenner are now on good terms, after Gomez and British model Cara Delevigne met with Jenner on her birthday- and even sang her a song.

After rumors of a long bitter feud between Selena Gomez and 'Keeping Up With The Kardashians' reality star Kendall Jenner, the two have reportedly called a truce, thanks to British model and mutual BFF Cara Delevingne who intervened and helped fixed the rough patches between the two.

It all started when Gomez's on-again-off-again ex-boyfriend Justin Bieber was spotted with the 19-year old reality star-turned-model, which angered the "Come & Get It" singer causing her to finally break up with him for good.

But now, it looks like the tension between the pretty brunettes is no more, as a video posted by Delevingne via Instagram on Nov. 4 showed herself and Selena singing a lively rendition of "Happy Birthday" to Jenner, who turned 19 on Nov. 3.

Gomez, who was almost unrecognizable with a grey beanie pulled down low over her eyebrows, shared the mic together with Delevingne and sang in chorus to the 19-year old Kardashian sister.

The camera then turns over to Kendall, who appears to be happy while blowing out the candles on her birthday cake, and then pans over to other girls who clapped and rejoiced as the birthday girl blows out her candles.

The video ends with Jenner running towards the enthusiastic Gomez and Delevingne and hugging them tight.

The trio were reportedly inseparable back in April where they spent time together during the Coachella Valley Music and Arts Festival with Kendall's sister, Kylie, along with pop star and "Baby" singer Justin Bieber at Indio, California.

However, after Gomez learned that Kendall went out on a dinner date at Ferdi with Bieber on September 30, the trio's friendship started to go awry.

Gomez reportedly broken up with Bieber for lying about getting together with Jenner, and this time, for good.

Now that boy troubles are set aside, Gomez is putting her attention back to her girlfriends, including former rumored "frenemy," Kendall Jenner.