(Cover) - EN Star Style - Kelly Osbourne has joked she is obsessed' with her hair.

The reality TV star posted pictures of herself sporting an enormous blonde up-do on social networking site Twitter. The 26-year-old star looked very glamorous with her tresses piled high in a beehive', which she accessorized with a pair of glittering long earrings.

Kelly was doing the commentary on the Miss USA beauty pageant for American TV channel NBC.

"I'm obsessed with my hair! #missusa," she tweeted. "About to go walk the Carpet so in practicing my best pageant face! #missusa (sic)"

Kelly, who has experimented with virtually every hair colour and style over the years including a blue rinse' usually favoured by elderly ladies, seems to be liking her current blonde locks.

She praised her hair dresser for his great work and claimed he can achieve any look.

"@juddminter is my hair dresser he is just amazing and can do anything with hair he is a genius! (sic)" she gushed. (C) Cover Media