Agnetha met up with Gary Barlow late this afternoon. The chatted privately and also recorded an interview together which will be used in the BBC documentary that Agnetha is filming which will be broadcasted later on in May.
After the meeting Gary twittered:

Gary Barlow ‏@GBarlowOfficial2m

Just had a chat with a legend for a forthcoming BBC1 documentary #agnetha pic.twitter.com/PyEgUg3U38