Ariana Grande thanked her fans for their support and concern after a video surfaced over the weekend that showed her crying during a Sweetener Tour performance of her song “R.E.M.”

“I feel everything very intensely and have committed to doing this tour during a time in my life when I’m still processing a lot,” she wrote over the weekend in a since-deleted letter on Twitter, according to CNN and BBC News. “So sometimes I cry a lot! I thank you for accepting my humanness.”

Although Grande didn’t write the song, she’s hinted in the past that the song made her think about ex-fiance Pete Davidson. While engaged to the “SNL” comedian last summer, she tweeted the song was about “dreaming someone into your life” and “actually happened (to her) way after we made the song which is so (very) strange.”

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Grande has been open with fans about her mental health following a whirlwind past year that included critically-acclaimed music releases, a public breakup with Davidson and the death of ex-boyfriend Mac Miller from a drug overdose just months after they ended their two-year relationship. She’s also been vocal about struggling with PTSD following the 2017 attack on her Manchester concert that killed 22 people.

“If you too are hurting, you can push through and are not alone,” Grande, 26, added in the tweet, noting the difficulty of balancing “taking care of the people around you, doing your job and healing/taking care of yourself at the same time…. I’m not sure what I did to deserve to meet so many loving souls every night… but I want you to know that it really does carry me through.”

She continued: “No matter how hard it gets or how many feelings come up that are screaming at me to be processed and sorted through one day, I’m grounded by gratitude and promise not to give up on what I’ve started.”
The singer also got emotional onstage last month, breaking down into tears while singing about ex-boyfriend Mac Miller in the late rapper’s hometown.

In a video captured in Pittsburgh by a fan on Instagram, Grande was rendered speechless for several lines of “Thank U, Next” after getting choked up. The song, which recites her past boyfriends, mentions Miller by his given name: “Wish I could say ‘thank you’ to Malcolm, ’cause he was an angel.”

Grande stopped short of saying Miller’s name before struggling through the pre-chorus and then going silent altogether. She continued to dance and began singing again at the start of the second verse.