WTA stars took to social media to congratulate Caroline Wozniacki after she won the BNP Paribas WTA Finals Singapore presented by SC Global.
Daria Gavrilova praised the new World No.3 for being simply "too good".
Alizé Cornet had her best emoji out for the occasion.
And Wozniacki's near-namesake, Aleksandra Wozniack, sent best wishes from her family.
The Legends were out in force too - Tracy Austin was impressed with Wozniacki's form.
Chris Evert had plenty of praise for the new champion.
And Rennae Stubbs - in Singapore as coach to Karolina Pliskova - shared a photo of Wozniacki with runner-up Venus Williams from some years ago.