11/07/2011 at 09:50 AM EST
is recovering from a head injury she suffered over the weekend in Miami when she "split her head open" while dancing at a club, according to her mother Sharon.
"Long story short I cracked my head open then kept passing out," Osbourne, 27, Tweeted on Sunday.
Sharon Osbourne flew cross-country to be with her daughter over the weekend, and elaborated on Kelly's injury on her daytime talk show, The Talk
, on Monday afternoon.
Kelly, a former Dancing with the Stars contestant
, was dancing at a club when the injury happened, according to her mother.
"The guy takes down her to dip, and as her dips her down, she hits her head on an amplifier," Sharon Osbourne said on The Talk
. "It split her head open."
Kelly returned to her hotel after the mishap, but was later taken to a hospital after she fainted twice. There, she received stitches and was told she had a concussion, Sharon said. She's now back in Los Angeles recovering.
"I just want 2 thank all the incredible doctors and nurses @ Mercy hospital in Miami 4 taking such good care of me," Kelly Tweeted
. "U guys really are amazing!"