Cate Blanchett at the Times BFI London Film Festival - 'Elizabeth: The Golden Age'- Movie Premiere - Arrivals, Odeon, Leicester Square, London (23 Oct 2007). Photo Credit: Solarpix / PR Photos30 October 2007 (Bang) - The I'm Not There actress sparked rumors she is expecting her third child with husband Andrew Upton after she was pictured sporting an apparent baby bump while leaving New York's Guggenheim Museum on Saturday (27 Oct 2007).
Cate had been performing in the play 'Right You Are (If You Think You Are)'at the famous art centre.
The 38-year-old star kept the bump hidden under a spectacular sequined dress at the premiere of Elizabeth: The Golden Age at the London Film Festival last Tuesday (23 Oct 2007).
However, rumors were further fueled by Cate's decision not to drink alcohol at the post-screening celebrations.
A source said: "Tongues started wagging when she wouldn't drink after the premiere for 'Elizabeth: The Golden Age' last week. It was such a big night it was strange she didn't join in the celebrations."
Cate and her playwright husband Andrew already have two sons, five-year-old Dashiell and Roman, three.
Earlier this week, it was revealed Dashiell dressed up as a knight and stood guard to protect his mother on the set of Elizabeth: The Golden Age.
Cate said: "In the scene where Clive Owen is talking about the immensities and I'm sitting on the throne, I'm actually looking through an archway at my son standing in a knight's costume protecting me.
"He stood for like five minutes and each take was different for him. He was a natural, unfortunately."
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