Sienna Miller and boyfriend Rhys Ifans flew back into London and to pass the time she decided to get down and dirty with him.

According to witnesses, the “Factory Girl” actress couldn’t control herself when it came to showing affection for her boy toy. And it reportedly got pretty hot and heavy.

“They were cavorting for almost the entire flight. They kissed each other passionately, before stroking each other’s hair, nibbling, whispering and giggling with each other.”

And after a long transatlantic flight, there’s nothing like a fun night out to chase away the jet lag. The happy pair was spotted out at the Groucho Club, enjoying a few drinks, and each other.f