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We've all been there. You spot a famous face in the crowd or manage to meet one of your heroes. Then there's that moment, do you ask for a picture or not? One man better than the rest at that is Olly Murs. Check out some of his best fanboy moments right here.
The singer met the Hollywood actress during a taping of The Graham Norton Show and was left red-faced when his crush was revealed to the star.
Holly and Phil are to morning TV what gravy is to the Sunday roast - inseparable. Olly has stopped by numerous times for a chat and a performance and always looks his best.
We always knew Olly's favourite Spice Girl - and he just couldn't hide his smile when he bumped into Sporty.
The Essex star doesn't just take his camera around the UK - he also takes it across the pond and bumped into legend Whoopi Goldberg when he appeared on US show The View.
You've got to be up pretty early to catch Lorraine in the morning - and that's just what Olly did when he stopped for an interview.
Olly got two for one in this picture as he bumped into male vocal group The Overtones and dancing judge and expert Arlene Phillips.
Now this is one collaboration the pop world is just dying to see. They could also kick back and talk about their experiences of music reality shows over a glass of Um Bongo.
Olly revealed that he was inspired to get a tattoo of his own when he hung out with the US rapper promoting his new album in America.
Olly described this picture simply as "Dream Come True" as he couldn't believe he got the chance to pose with one of the squeakiest voices in the world.
The name's Murs, Olly Murs. Perhaps the 'Heart Skips A Beat' singer was asking if he could get a cameo in a future 007? movie?
There's few bigger football fanatics in the world of pop then Mr. Murs and he managed to get an invite to the FA 150th Anniversary event. Fabrice stunned the world when he survived after collapsing on the pitch during a match with his heart stopping for 78 minutes.
Take one chatty man and one chatty singer and you get a recipe for a fun-filled and frantic interview. During this meeting, Olly divulged all the details on Christopher Maloney's behaviour at the X Factor wrap party.
Olly might be a big Manchester United fan but it's OK to pose with a Chelsea legend when he also stars for the England national team as well!
The two male stars took part in a special Comic Relief sketch in which they asked to marry Simon Cowell! It might seem off - but that's the reason for the bride outfits in this shot.
Olly was a guest on the hit US chat show earlier this year and got a great reception for his performance of 'Troublemaker'.
PANDA WATCH! Anyone familiar with The Anchorman will get that reference and will know this man. Paul has also starred in such films as The 40 Year Old Virgin and Role Models.
Olly was stopped in the street when someone found out he hadn't eaten his breakfast that morning. Luckily for Olly it was Sugar Puffs man the Honey Monster. Anyone got a spoon?
Olly met the Disney star at an awards ceremony and told his followers on Twitter that the actress told him he rules.
The England legend was more than happy to pose for this photo. The guy in the background was also keen to point out what was happening when he was up on stage.
The gossip blogger was one of the first to compliment Olly on the success of his single 'Troublemaker' in the US and has always championed the Essex lad out in America.
Olly can spot a player from his beloved Manchester United anywhere and wasted no time adding new boy Nick Powell to his collection of footballer photos.
Olly got more than a SEVEN when he appeared on Dancing With The Star. His performance was well received by the whole panel including head judge Len.
He's known as 'The Naked Cowboy' and performs on the streets of New York. He's fast becoming as famous a tour attraction as the Empire State Building.
Olly got to meet his Manchester United mate during a video game tournament. He was thrashed 3-0 in the match, so it seemed only right Wayne took a moment to pose with the singer.