![What was Number 1 on my 7th birthday? Find out what song supposedly 'defines 2021 for you' | Official Charts What was Number 1 on my 7th birthday? Find out what song supposedly 'defines 2021 for you' | Official Charts](https://backstage.officialcharts.com/sites/default/files/legacy_images/media/659634/7th-birthday-1100.jpg)
What was Number 1 on my 7th birthday? Find out what song supposedly 'defines 2021 for you' | Official Charts
![What was number 1 on my 7th birthday? New social media trend explained - and how to find your UK number one song What was number 1 on my 7th birthday? New social media trend explained - and how to find your UK number one song](https://www.scotsman.com/webimg/b25lY21zOmUzZmRlZTczLWU1YmEtNDU4YS05ZDQxLTgyYzhjOTdjZjM0NjoyYjEzOGU5MS0wZjMwLTRlZjgtYTM4YS04YzQ3Y2E5NDA1MDA=.jpg?crop=3:2,smart&width=640&quality=65)
What was number 1 on my 7th birthday? New social media trend explained - and how to find your UK number one song
![Absolute Radio on X: "What song was No.1 on your 14th birthday? Apparently that tune defines your life... Use https://t.co/zheX94JlUp to find yours (and promptly cringe) https://t.co/SWDpqP2ALm" / X Absolute Radio on X: "What song was No.1 on your 14th birthday? Apparently that tune defines your life... Use https://t.co/zheX94JlUp to find yours (and promptly cringe) https://t.co/SWDpqP2ALm" / X](https://pbs.twimg.com/media/D8KCzYMX4AA_ivJ.jpg)
Absolute Radio on X: "What song was No.1 on your 14th birthday? Apparently that tune defines your life... Use https://t.co/zheX94JlUp to find yours (and promptly cringe) https://t.co/SWDpqP2ALm" / X
![Manaiakalani Cluster on X: "Krystal - My Birthday Anthe... https://t.co/X93SzmZ0cq Today for Inquiry, I was doing a list of songs that were number #1 on my birthday. It's like my birthday anthems. Manaiakalani Cluster on X: "Krystal - My Birthday Anthe... https://t.co/X93SzmZ0cq Today for Inquiry, I was doing a list of songs that were number #1 on my birthday. It's like my birthday anthems.](https://pbs.twimg.com/media/FANi1tnVEAQ22oC.png)