Me and my friend both like our best boy friend:(?

ok so theres me and my 2 friends Paul* and Gemma* i would be like best friends with both of them...but *Paul and Gemma would see each other alot more as they live closer and have been friends longer and i got to know gemma through Paul im a girl btw:L wel anyway as most boy girl friendships work Gemma liked Paul ages ago bout nothin ever happened and it was 4got all about. then me and paul got really close lts put it friends with benifits...it was "love" at 1 point but it all settled down because we werent ready for that. so like nearly a year later im having a house party and me n Paul hook up Gemma is there as wel and says nothin about it...i sittin in school 2 weeks later and the other girls wer like gemma just tel her i was like tel me wa and she was like i like Paul...i pretended to be all supportive of her but really i didnt no what to do because ive truely never gotten over him...what should i do...will i tell her because i had him 1st? or leave her because she noes him longer? any help would be great.