[tweet https://twitter.com/ciara/status/168508797910913026%5D
Ciara is a top-selling musician known for her hits “Goodies” and “1, 2 Step.”
Whitney Houston’s Death: Celebrities Mourn the Music Icon on Twitter
Notables from Mariah Carey to Shaquille O'Neal went online to grieve the pop-music legend and her influence on their lives.