WATCH: Nana O'Donovan has a criteria for the Olympians' prospective girlfriends

G'wan Nana O'Donovan!

The O'Donovan brothers might have won Olympic silver medals, but it is clear that their Nana has won the hearts of the nation after her performance on The Late Late Show last night.

Ryan Tubridy asked the boys permission to meet their nana before seeking her out in the crowd,giving her a quick peck on the cheek and sitting down alongside her for a chat.