Friends and family gathered to pay their respects at Sophie's funeral at St George's Church in Jesmond, Newcastle on Thursday 5 July.
A family friend, who wished to remain anonymous, said of Aaron's death: "We're absolutely gutted".
He wrote: "just wish I could cuddle you all day miss you so much man Sophie not a minute goes by with out your gorgeous smile being a picture in my mind everyday we spent together was so fantastic I need them days back I love you princess ". Every day we spent together was so incredible.
Tributes on his Facebook page read: 'You can be with her now.R.I.P Aaron'.
The partner of Love Island star Sophie Gradon has been found dead. You truly never know what they're going through.
"Aaron. I hope you have reunited with your love Sophie". Our thoughts go out to Aaron's loved ones, and especially the Love Island family.
He continued, "My lovely angel, I'm absolutely heartbroken".
Following Sophie's funeral, Aaron took to Instagram again and said, "So I get into bed and all I can smell is Sophie on her side of the bed".