Are 'close friends' Harry and Pippa on the verge of becoming an item?

They are both recently single, and became the UK’s second most talked about couple after joking around on Buckingham Palace’s balcony at the Royal Wedding... It’s too good to be true, but could Pippa Middleton and Prince Harry be on the verge of becoming an item?
The couple have reportedly met up a handful of times since their siblings got married in April and are said to already have nicknames for each other. Pippa apparently calls the Prince ‘Captain’ - which is his military rank  - while he calls her ‘Commando’, in reference to rumours that she was not wearing any underwear on her sister’s wedding day.
Harry is also said to have ended his best man’s speech with the line: ‘Pippa, call me.’ A royal insider told Grazia that the couple have been helping each other through their break-ups, saying: ‘They speak on the phone all the time and have met up at least five times since the wedding, once for tea at his Clarence House apartments... She thinks he’s got a really cheeky sense of humour.’
They have also gone more public with their budding friendship. The pair turned heads when they turned up at The Troubadour in Chelsea for a hushed tete-a-tete. They stayed in the royal haunt for two hours. Another source said: ‘He only recently came out of a relationship, of course. He’s been trying to cheer Pippa up.’
We wouldn’t expect anything less from the perfect gentleman. But if Harry really is interested, he’ll have to join the queue. Now that her long term boyfriend, Alex Loudon, is reportedly off the scene, many of Pippa’s exes have been thrown back into the limelight. George Percy is currently seen as the most likely replacement. He accompanied Pippa and her friends to Madrid shortly after the wedding, and has offered her a job in his environmental firm.
Last week the couple were spotted house hunting together at exclusive London property giant, Grosvenor Estates - sparking speculation that they are going to move in together. Other men apparently after a piece of Pippa include her old friend singer James Blunt, and Prince William’s close friend, Barts nightclub owner Charlie Gilkes - as well as most of the male cast of Made in Chelsea.
Pippa has got her pick of the crop, so will she go for a prince or a pop star?