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The Oscars are underway in a rainy Los Angeles as the world admires the Hollywood glamor on display.

From Zoe Saldana to John Travolta, Hollywood's biggest stars have been walking the red carpet this evening to show off their freshly pressed tuxes and beautifully designed dresses for 2015's biggest media showcase.

With a host of Oscar presenters announced this past week, the show is set to be a lively one, and with the addition of Lady Gaga, the musical direction is going to be far from the traditional mix we've seen in previous years.

As with any Oscar ceremony, viewers expect and demand some carpet beauty and this year there have been no disappointments. Below are some of the best Oscar red carpet pics of the night: