The Duchess of Cambridge's sister Pippa Middleton was spotted out with her boyfriend at Mayfair club Annabel's.
The couple left for home in the wee hours of the morning.
Pippa donned a glittering gold dress and was seen holding hands with Nico as the couple gazed into each others' eyes, the Daily Star reported.
Rumours have been rife that the pair are set to announce their engagement.