Pippa Middleton and boyfriend Nico Jackson enjoy a Scottish break with friends

and her boyfriend

jetted off to Scotland to spend the weekend with friends.Pippa, 30, was spotted at London's Heathrow on Friday, when she was stylishly dressed for the autumn weather in a camel-coloured cape coat over a cream knitted jumper and fitted grey trousers. Snake print pumps completed her casual yet sophisticated look. On her return she was in a similar outfit of a grey knitted jumper and burgundy-coloured trousers.She walked happily through Heathrow's Terminal 5 Airport with her handsome beau, who carried his briefcase and weekend luggage.

© Photo: Rex

Nico, who is a stockbroker for Deutsche Bank, appeared to have come straight from the office on Friday, in a light blue shirt and pink tie with smart grey trousers. On his return he looked more relaxed in a beige jumper, jeans and brown shoes.The couple, who were first linked at the start of the year, enjoyed a weekend with friends shooting

and partridge in Scotland's capital.Author and columnist Pippa was pictured at the Drum Estate in Gilmerton in her country gear in a long line of girlfriends.The traditional trip came hot on the toes of another for the brunette, who is an avid sportswoman and lover of the outdoors.

© Photo: Rex

Just days before, Pippa had donned a traditional Austrian dirndl for her latest travel feature for

.For the piece in her column, she had visited Jahrmarkt festival, a traditional celebration of schnitzel, beer and bratwurst in Kitzbuhel, in Austria.Kate Middleton's sister was pictured in a short-sleeved white blouse under the dirndl – a historical costume of Alpine peasants – with a pretty floral skirt, as she posed at the Bavarian festival.