he's not known for his friendships with the royal family but actor martin sheen looked remarkably at ease as he posed with princess beatrice at a london event last night joining mr sheen and the princess was holly branson, who was enjoying her first solo night out since becoming the mother of twins etta and artie in december the unlikely trio were at the bulgari hotel in central london for a gala dinner held in support of we day, which is part of a charity movement that aims to give young people more understanding of global events scroll down for video  unlikely combination: martin sheen (centre) with princess beatrice (right) and holly branson (left) ms branson will co chair a day of festivities on friday and last night gave a speech to an audience that included her father sir richard branson and her brother sam sam is himself a new father with wife isabella antruther gough calthorpe giving birth to the couple's first child, a daughter eva deia, late last month like the branson clan, princess beatrice, who recently embarked on a finance course in the us, is a supporter of we day, as is her cousin prince harry ahead of the event, she took to twitter to declare her support, writing: 'proud to be supporting @weday this friday @hollybranson is making the opening speech, good luck you’ll do great' supper: the trio were all attending a gala dinner at the bulgari hotel in central london  smile! mr sheen poses with the pair and, right, they strike an almost identical one with sam branson  family affair: next, sir richard branson gets in on the act and joins his children and mr sheen  ever expanding: brothers marc and craig kielburger join mr sheen and the branson family for another  beatrice, 26, has long been close to holly, 33, with the pair regularly holidaying together as well as taking part in joint charitable ventures although the trio have not been photographed together before, mr sheen is, it seems, their newest recruit, with the 74 year old actor set to speak at friday's event at wembley alongside all three bransons last year's event, which also featured actor clive owen, saw prince harry take to the stage at wembley arena, where he called on young people to get involved with charity work 'some people don’t think it’s cool to help others…personally, i think it’s the coolest thing in the world,' he enthused while this year's event may not have a royal speaker, it certainly made up for it with the launch dinner at the bulgari hotel where guests were served seared beef fillet and gianduja [a type of hazelnut infused italian chocolate] mousse ahead of speeches at the end of the night one on one: mr sheen with sir richard branson (left) and princess beatrice with spencer west (right) family night out: sir richard branson with daughter holly, 33, and son sam, 30  canapés  crab, cucumber and avocado roll  marinated feta, grilled aubergine, dry tomato  tuna sesame mango  beef pastrami and horseradish  starter  riviera style seasonal vegetables, fresh herb salad  main course  seared beef fillet, black pepper, confit potato, red wine sauce or pumpkin ravioli, chestnut & rocket  pudding  gianduja mousse and hazelnut caramel  tea, coffee and biscotti 
martin sheen 74 princess beatrice the bulgari hotel london holly branson 33 sam branson 30 richard 64 we day 2015
martin sheen, 74, joined princess beatrice at the bulgari hotel in london  also there was holly branson, 33, sam branson, 30, and sir richard, 64  the unlikely group were at an event to mark the launch of we day 2015  charity movement aims to increase youth engagement with world events  along with princess beatrice, prince harry is a supporter of the intiative 