In general, you're better off showing up with a jacket and tie and then stripping one or both off if you find yourself too overdressed
Neckline:Off the Shoulder
Athletic wear for physical activities Weeks worth of research clothing: Closed toe shoes Nice casual attire (NO athletic wear, leggings, shorts, or shirts that do not cover shoulders) No loose clothing or jewelry Long hair pulled back No hats At least 2 outfits for educational and cultural activities: Mid-thigh shorts, jeans, slacks, t-shirts, polos, mid-thigh skirts or dresses, sandals or sneakers, athletic wear, and leggings At least 2 business casual outfits, one for final presentations and one for first day of research at ORNL: Nice slacks, dress shirts and ties, polo shirts, blouses, dress slacks, mid-thigh skirts or dresses
Get her look with this similar lace top (another option here), pants (another option here), sandals, handbag and earrings
So many possibilities