Say My Name, Survivor and Independent Women Part I are their true signatures. With the first and latter tracks being their most signature, with Say My Name probably winning with a small inch.
Most singles from Fullfilled seems to be forgotten, even the girls don't perform them on their own, beside Kelly doing Soldier (?) I think in some sets.
it's that mashup of Girl and The Boy Is Mine by 99 Souls. It went top ten in the UK earlier this year. Brandy and DC3 were credited as featured artists.