"This girl here is a very special human being," Hoechlin said alongside the selfie which features the pair smiling.
"I've had nothing but the best time working with her and everyone else that's a part of the great DC TV cast and crews up in Vancouver. Check out the finale of the crossovers tonight! 8/7c!" he continued.
Hoechlin also tagged other DC television stars that are a part of the crossover including Grant Gustin (The Flash), Stephen Amell (Green Arrow) and Elizabeth Tulloch who has been introduced as Superman's love interest Lois Lane.
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