Katy Perry is there for her girl Selena.
On Selena's Instagram post about her kidney transplant, Katy Perry left a sweet message. "Love your heart and authenticity," the singer wrote, followed by a heart emoji.
The two have been friends for years, despite lots of opportunities to pit them against each other.
After Selena starred in Taylor Swift's "Bad Blood" video, which is rumored to be about the singer's contentious relationship with Katy, Selena came out publicly to say there was no "bad blood" on her end.
"That's false, I love Katy," she told The Edge Afternoon radio show. "I just talked to her. She's amazing. But I didn't talk about that, but i just talked to her. She's awesome."
Very sweet! I love it! Yay for friendship!
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