Johannah, the mother of One Direction heartthrob Louis Tomlinson, has revealed that she can't believe it's the 4-year anniversary of her son's successful 'X Factor' audition today (July 10). 

Writing on her official Twitter page earlier this morning, she explained that the past few years have gone so quickly and she's so proud of everything he has achieved in his career so far because he works very hard:

"4 years ago today I took my boy to Manchester for an audition. I can remember how humble & thankful he was when he got 3 'Yes'. Adore him."

Earlier this month, the members of One Direction admitted that they're still great friends after 'all these years' and constantly have fun together: "Great show tonight really enjoyed it :) love that after so many years together we can still have a laugh on stage love my boys man."

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Watch footage of Tomlinson at Camp Nou recently here: