Cheryl Cole put her marriage troubles behind her last night as she partied at the BRIT Awards.

The Girls Aloud beauty - who shunned showdown talks with her cheating soccer star husband Ashley to attend the prestigious ceremony - gave another big hint her marriage is over by not wearing her $160,000 wedding ring to the bash.

Cheryl, who recently holidayed in Thailand before her work trip in Los Angeles, said: "The holiday was fantastic, just what I needed. I feel great being back with the girls, but it's so much colder in London than it is in Los Angeles. I'm out to have some fun and really looking forward to it."

Cheryl, who looked stunning in a canary yellow mini-dress, didn't let the disappointment of missing out on Best British Band ruin her evening as she danced along to Kylie Minogue's performance.

Bandmate Sarah Harding was also determined to have some fun after a row with her boyfriend.

The blonde beauty kicked DJ Tom Crane out of their London home after an argument over the phone, forcing him to spend the night on a friend's sofa.

However, one Girls Aloud member missing at London's Earl's Court last night was Nadine Coyle.

The 22-year-old singer apparently lost her passport and missed her flight back from Los Angeles to London.

Sources claim it was Nadine's way of showing she no longer wants to be part of the group.

One insider told Britain's The Sun newspaper: "Nadine has wanted to leave for ages and the fact she won't attend the BRITs when they are up for an award shows she wants out."

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