Niall Horan
Since joining Twitter, One Direction star Niall Horan has clocked up a massive 3.6 million followers.  The Mullingar native likes to keep his fans updated on his day to day existence. 

A recent tweet  by the 18-year-old caused a storm when he referred to One Direction fans as ‘mofo’s’ after a group stayed outside their hotel singing.

His tweet: “love all you mofo's..can hear u singing outside the hotel,” prompted #NiallsMofo to start trending on the social networking site.  Here are a selection of his top Tweets from

1.    Off to sleep, canada u were amazing as always! Love u guys! Off to Detroit for us! See ya soon [sic].

2.    @Louis_Tomlinson @Harry_Styles @Real_Liam_Payne @zaynmalik . I miss you mofo's , absense makes the heart grow stonger lads! [sic].

3.    bonjour paris! just having breakfast ! get workin soon! busy day today! lets go #1DinParis [sic].

4.    This is crazy! 1800 of you guys in the philippines went out to watch the tour dvd all together! Thank you soo much [sic].

5.    happy valentines day everyone, love you all so much.. if it wasnt for you there would be no 1D, xxxxx  [sic].

6.    Australia we're here, sorry we couldn't come out ,airport police said it wasn't safe,we really wanted to come out and say hi , cya soon [sic].

7.    @katyperry hey katy,thank you,let's hope it holds out this week!Thank you for putting me thru!we've been working hard,I won't let you down [sic].

8.    vocal lesson and warm up with @HeleneHorlyck in a while..gettin ready for SNL tonight! gona be fun..also whos watchin iCarly tonight? [sic].

9.  Happy st.patricks day! Cmon the irish #happypaddysday [sic].

10.    I can't say this enough we have the best fans on the planet #DirectionersWorlwide ! We love you soo much,you helped us make history,love you [sic].