By COLIN FERNANDEZ
Smooching: The couple share a tender kiss
They had just spent several hours watching well-bred young men beat each other senseless in the boxing ring.
Even at 4.30am, however, Pippa Middleton and Alex Loudon were still in romantic mood.
The couple shared a lingering kiss yesterday as they waited for a cab outside a London hotel where they had attended the Boodles Boxing Ball charity event.
An adoring gaze from Kate's little sister... earns a similar look from boyfriend Alex
Pippa gazed tenderly into her boyfriend’s eyes before the lateness of the hour caught up with her and she failed to stifle a yawn.
The couple’s body language dispelled any remaining suspicions that they had drifted apart following 28-year-old Pippa’s show-stealing appearance at the royal wedding in April, when her pert derriere won world-wide admiration.
Happy couple: Pippa and Alex Loudon at Wimbledon in June this year
Mr Loudon, 31, a former cricketer who played for England in a one-day international against Sri Lanka in 2006, is now a financier.
He and Pippa, younger sister of the Duchess of Cambridge, have been dating for more than three years.