Embarrassed to wear lingerie

Is this a normal feeling or am I the only one. Idk I feel like it’s a big thing to live up to cs my body is not all that great my bf txts me and said can u wear lingerie and give me a lap dance ...ladies what would u do idk how and what to do but all I know is I need to do it ASAP but I feel embarrassed cs I never wear that and it’s like hesgoing to come home and I like planned a all sexy night with him wearing an outfit n then it’s like fail cs I look like shit. Lol idk