On Sonja..

Mesh head / CATWA HEAD Gwen
Hair / Tableau Vivant \\  Jade
Body / Maitreya - Lara

Lingerie / .:Avanti:. Femina Lingerie Set - Floral 3 w/stocking black @anyBODY
Corset / .:Avanti:. Femina Corset - Floral 2 (Mesh) @anyBODY