The money was meant to be sent to me! @TomCoutts has paid it back - what a legend!!
Originally I copied my Monzo.me link and pasted it in our ski trip group chat to be repaid for a hire car. Next to the ‘send’ icon was a predictive box from my iPhone suggesting to separate out my first name ‘thomas’ from my second name attached to the end of the link. I must’ve accidently clicked it before sending, then my friend Sam proceeded to pay that link!
After waiting 24 hours, Sam sent me screenshots and we realised what had happened. I feared the money was gone, but tried a last ditch attempt to get it back by sending Tom 5p with a desperate payment message. A few mins later it was back in my account
Massive thank you to @TomCoutts