She ended the note saying: "I will remember all of this for the rest of my life."
Adele told Kiwi fans something similar when she played three shows at Mt Smart Stadium in March.
"Touring isn't something I'm good at ... applause makes me feel a bit vulnerable. I don't know if I will ever tour again. The only reason I've toured is you. I'm not sure if touring is my bag," she told the 40,000-plus crowd on her final night.
The show broke attendance records at the time, but she's since been topped by Ed Sheeran, who has sold out three shows in the same venue, as well as three more in Dunedin.
Adele's final show at Wembley Stadium, and, possibly, of her career, is on July 2.
Meanwhile, the singer called for donations to be made to the Grenfell Tower victims at her most recent Wembley show.
Speaking to fans on Wednesday night, she urged them to make a donation to those displaced by the Grenfell Tower fire.
She said: "Usually I ask everyone to get their phone out and put their lights on. But before I do that, I want you to donate. Did anyone see the video before I came on? I've been down to Grenfell Tower. I'm going straight back Monday after my shows.'
'A lot of the stories aren't mine to tell especially on a stage like this. Today is two weeks since it happened and they are being neglected now.
"I promise any money that we raise will get to them. I am not leaving them. I'm involved now. I'll be banging on about this for days, weeks, months and years. I want everyone to donate. I know a lot of people have paid a lot of money to be here. If you don't want to do it, I want you to promise that you will talk about it and tell people because they are being forgotten."
Adele then dedicated her performance of 'Make You Feel My Love' to Abraham, who was one of the first responders at the fire and whom she had invited to her show as a guest.
Promising the money would go to those affected, she added: "I didn't have a social conscience that long ago. You can grow one. I grew one. It comes with age. It's cheaper to donate than get s**t faced. I promise I will get the money directly in that tower."
It comes after the 29-year-old singer visited the firefighters at Chelsea Fire Station who battled the horrific blaze at Grenfell Tower.
Firefighter Rob Petty wrote on Facebook at the time: "Not everyday the wonderfully grounded and caring Adele pops into Chelsea Fire Station for a cup of tea and a cuddle."
Adele was also seen at the Grenfell Tower site to help victims of the fire.
