The couple, who finished filming for the show's eighth series on Sunday, looked pretty cosy together as they headed to Hyde Park on Wednesday evening (20 November).
Stephanie and Josh sampled Winter Wonderland's key attractions, which includes the ice rink, Christmas market and the Magical Ice Kingdom.
Captioning a photo of the pair on Instagram, Josh said: "Winter wonderland - best place in London with the best company @officialstephpratt." Ahh!
This week, former Hills star Stephanie dropped the L-bomb on Josh at the show's wrap party on Monday, pretty much confirming their romance.
MIC continues on Monday, and viewers will see the arrival of Spencer Matthews' glamorous new girlfriend Lauren Frazer Hutton, but his ex Stephanie is keen to reveal his lothario reputation. Oops!
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MIC trailer below: