According to E! Online, the Tomb Raider actress will accompany Pitt on the red carpet of his latest movie World War Z, in the capital on Sunday, June 2.
Ange has kept a relatively low profile since announcing she had the preventative procedure after finding out she was a carrier of the BRCA1 gene - which increased her risks of developing breast cancer to 87%.
Pitt has previously expressed his admiration of Jolie for opening up about her operation, stating: "Having witnessed this decision first-hand, I find Angie's choice, as well as so many others like her, absolutely heroic."
Angelina also hit the headlines over the weekend after it emerged that her aunt, Debbie Martin, had lost her battle with breast cancer.
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