Ariana Grande’s mom, Joan Grande, showed support for her daughter in the wake of the singer announcing a step back from the spotlight. When the Grammy winner posted a series of behind-the-scenes snaps from filming her “Petal” music video via Instagram on Monday, Joan gushed over the images. “You are magnificent… and this video is incredible!!” Joan, 69, wrote in the comments section. “I love it and I love you more!!!” Joan concluded. Ariana, 33, captioned the social media upload with a lyric from the titular song off the “Petal” album, which was released Friday. “petal in the pavement …… ♡,” the “Victorious” alum wrote. The actress…
