The funny Brit, his mother Barbara at his side, told Seacrest in a flirtatious manner that he was looking very handsome and then leaned in to plant a smooch on Seacrest's cheek.
Rather than blanch at the budding bromance, Seacrest leaned over to return the kiss – on the cheek of Russell's mom.
Seacrest also asked about Brand's new bride (since October) Katy Perry. "She's currently touring the planet Earth and apparently everyone's okay," replied Russell.
As for staying connected while Perry's on tour, Brand said, "Every so often I just look at a photograph of her and smile. That's enough." He then quickly interjected, before any gossip starts spreading, "No, we see each other all the time."
With additional reporting by SARA HAMMEL
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