Actress Mischa Barton arrives at the MTV Australia Awards 2008 at the Australian Technology Park in Sydney, Australia on Saturday.

The awards show featured 8 musical performances and eleven awards presented across music, film, television and sport.

Fugees singer Wyclef Jean hosted the awards show while rappers 50 Cent and Eve and actress-turned-singer Juliette Lewis entertained the crowd.

Kim Kardashian, The Vines, Leona Lewis, and Ian Thorpe were also in attendance for the awards show.

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Mischa Barton attends the MTV Australia Awards 2008 Press Call at the Hilton Hotel in Sydney, Australia on Thursday.

The 22-year-old former O.C. actress said of the event, “I am really excited to be coming back to Australia.” “I’m looking forward to a great night of live entertainment.”

Juliette Lewis will perform with her band Juliette and The Licks at the MTV Australia Awards this Saturday, along with Eve and 50 Cent, while Mischa will be the star presenter.

More pics of Mischa promoting MTV Australia…

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Mischa Barton bulges her eyes for photogs at the Diesel Ginza Flagship Store Opening Party at Conrad Tokyo on Monday in Tokyo, Japan.

The 22-year-old former O.C. star sure loves the whole bug-eyed look… just like Jonathan Rhys Meyers!

The flagship Diesel store in the Japanese central shopping district Ginza will open on April 23.

Also pictured: Renzo Rosso, the Italian clothing designer, founder and owner of the Diesel clothing company.

15+ pictures inside of bulgy-eyed Mischa Barton… More Here! »

Former O.C. star Mischa Barton will plead no contest to DUI at her arraignment Thursday in Beverly Hills court, and is expected to serve a three-year unsupervised probation term, sources tell People.

Mischa, 22, will also be sentenced to a three-month alcohol-education class, and pay a fine of approximately $1,700.

In December 2007, Mischa was pulled over by police officers after she was seen driving her Range Rover on two lanes and failing to signal when she made a turn. She was then taken to the West Hollywood Sheriff’s station, booked and released on a $10,000 bail.

Headband-sporting actress Mischa Barton showers her new boyfriend, Rooney guitarist Taylor Locke, with hugs and kisses at a lunch in West Hollywood on Thursday.

According to People, “Later, the actress stopped by a memorial concert for filmmaker Brandon Schantz at the Roxy, where Locke’s band performed. Barton headed straight backstage – then took her spot in a booth to get into the music, clapping with her arms above her head at the end of each song and bopping her head to the music. After the show, Barton retreated backstage again before coming out with her beau, holding him around the waist and kissing him on the lips.”

Mischa Barton unfortunately won’t be joining the cast of CW’s catty prep school drama Gossip Girl.

TV Guide first reported that the 22-year-old former O.C. star had been approached to play Georgina Sparks, an old friend of reformed party girl Serena van der Woodsen (Blake Lively).

But her rep tells Us Weekly, “She will not be on the show. She was approached, but her reps passed.”

FYI: Josh Schwartz created both The O.C. and Gossip Girl.

All-new episodes of Gossip Girl star Monday, April 21.

Mischa Barton walks around the Beverly Hills set of her latest film The Homecoming on Friday.

The 22-year-old former O.C. actress was seen carrying around a Starbucks coffee and a book by Sid Griffin called “Millon Dollar Bash”, which documents Bob Dylan’s career and his association with famous musical friends “The Band”. More Here! »

Mischa Barton wears a pair of skeleton sweatpants on the Los Angeles set of her new movie Homecoming on Thursday.

In the film, Mischa, 22, plays jilted ex-girlfriend Shelby who has a plan in store for her former beau, who is coming back to his small town with a new lover. Homecoming also stars Matt Long (Jack McCallister from the short-lived WB series Jack & Bobby). More Here! »