The 34-year-old actress brightened up the Sydney Airport on Saturday as she caught a departing flight in her hard to miss ensemble.
The mother of two teamed her eye-popping pants with a black tank-top that displayed her toned and tanned arms.
Kate made her way through the airport wearing a pair of fur-lined ankle boots.
She had her blonde locks pulled up into a high bun and accessorised with a few colorful necklaces and bracelets.
Kate kept cool in a pair of retro cream shades and was lugging around a black jacket and purse.
Weird hair day: Kate had her blonde locks swept up in high bun
The actress was in Australia with her two-year-old son Bingham for her fiance Matt Bellamy's gig with Muse on Friday night at the Allphones Arena.
Muse was performing as part of their The 2nd Law world tour that will conclude with a concert in Sao Paulo, Brazil next April.
Down under: Kate was in Australia for her fiance Matt Bellamy's gig with Muse on Friday
Departing flight: Kate was in Australia with her two-year-old son Bingham
Kate made the most of her free time in Sydney with a three-hour shopping trip on Friday with Bingham.
The actress has been busy the past few months on the set of her new film Wish I Was Here being directed by Zach Braff.
The film features Zach as Aidan Bloom, a struggling actor, father and husband who triest o find his purpose in life.
Kate portrays Zach's wife in the movie that also features Mandy Patinkin, Jim Parsons and Ashley Greene.
The film was primarily funded through the crowd-funding site Kickstarter and is scheduled for release in September 2014.
Orange pants: Kate ventured out in a pair of bright orange trousers