Selena Gomez and Kara Delevin Friendship Chronology

Selena Gomez and Kara Delevin first met when they were 15 years old and are currently playing romance in Building Murders Only Season 2

Selena Gomez and Kara Delevin turned their longtime friendship into fiction.

Years after sharing screens in Taylor Swift's "Bad Blood" music video, longtime friends teamed up for Hulu's "The Only Murders in the Building."

In the series' second season starring Gomez, Steve Martin, and Martin Short, Delevin joins the cast as an "art insider" named Alice, who eventually develops a romance with Gomez's character Mabel.

Gomez and Delevin first met when they were 15 years old and developed a close friendship.

In addition to meeting friends on various shows over the years, including the 2015 MTV VMAs when Swift's "Bad Blood" won Video of the Year, the duo shared many glimpses of their friendship on social media.

Look back at their previous friendship chart.

July 22, 2014: Selena Gomez and Kara Delevin vacation in Saint Tropez. The two were first spotted traveling together to Saint Tropez in France to celebrate Gomez's 22nd birthday. Apart from relaxing on a yacht with friends, Gomez and Delevin were also seen parasailing and jet skiing.

After spending the day at sea, friends cheered as they attended the Leonardo DiCaprio Foundation Gala in Saint-Tropez.

November 1, 2014: Selena Gomez and Kara Delevin attend the Lacma Art + Film Gala. Friends pose for photographers while attending the Lacma Art + Film Gala in Los Angeles in November 2014.

December 2014: Selena Gomez and Kara Delevin spend Christmas together

In December 2014, Page Six announced that Gomez and Delevin were spending the holidays together after being spotted in the singer's hometown of Texas.