When you and your Fed Cup squad are looking gorgeous in fabulous frocks, it's tough to go back to tennis kit - isn't that right, Katerina Siniakova?

Sloane Stephens isn't in the USA squad this time round - but she's still all dressed up.

Billie Jean King sends her best wishes to Team USA.

And CoCo Vandeweghe is back and running on a treadmill again after injury - and nobody is happier than doubles partner Ashleigh Barty, who's expecting some hugs.