The sides meet on Thursday at Parramatta's Commbank Stadium, with the Saudis flying high and undefeated at the top of Group B.
The skinny starlet is supposedly dating recently single Heath Ledger.
The 20-year-old beauty met the fellow West Australian after he split from his fiancee Michelle Williams in 2007, and the pair were reportedly dating during the months leading up to his tragic death.
Other photos from the holiday show the beauty at Haad Wai Nam, a beach pavillion in Ban Tai, Thailand, where she enjoyed a coconut drink.
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Ward's first major acting appearance was in the 2007 Australian film The Black Balloon, and she has since also appeared in the horror film The Strangers 2008 and Pirates of the Caribbean: On Stranger Tides 2011.