16 Tweets That Got Fans Talking This Week (15th January) Find out which celeb has a keen interest in rainbows and which band have been working on new music in the week's most intriguing tweets. 1. If Harry Styles studies rainbows, we're DEFINITELY signing up for that class 2. Lady Gaga gets involved in Capital's #BestFans2015 - can the Little Monsters win it for her? 3. Super Bowl headliner Katy Perry has high standards for the music she listens to 4. Ashton Irwin likes his fans to know that he's getting his five-a-day 5. Rixton's Lewi is definitely glad Ashton's been eating healthy 6. Who put Sam Smith out to graze? That doesn't look too tasty! 7. You know what they say, Bruno Mars - #HaterzGonHate 8. Ariana Grande likes the simple things in life 9. Jessie J isn't afraid of change - as long as it's for the better 10. McBusted are big fans of the old-school Wild-West duel 11. Hey, Rita Ora - can you take us along with you in your suitcase? 12. If this is what we looked like when we woke up, Josh Cuthbert, we'd like sleeping too! 13. Frankie Bridge tweets her happy baby news - we bet Parker can't wait to be a big brother! 14. Well, don't keep us in suspense, Jake Roche! 15. Eeek! New music is coming from Lawson - and we can't wait! 16. Where are you moving in to, Ed Sheeran?!