Selena Gomez Sings to Little Sister Gracie in Emotional

Selena Gomez appears to be maintaining her status as the best big sister!

The adorable video, posted on Friday, August 19, featured Gomez and Teefey singing along to Rodrigo's smash hit "

The Only Murders in the Building actress appeared to be wearing a Sour Tour bucket hat while

"I love everything about this video I can't 😭🥹," one wrote

"She went with Selena," Simpson revealed in an Instagram live, per E! News

Simpson, 42, thanked the Rare beauty mogul for being such a good babysitter

The "Lose You to Love Me" singer is known to serve as an amazing role model for

Back in 2017, the songstress made a heartfelt Instagram post promising to always empower her younger sibling

She is going to understand the importance behind being a leader and inspire others by her truth,"

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