Feeling down

I feel really hideous lately!! I mean I have always been a bigger but now that I am pregnant and 22 weeks I just feel horrible!! My husband is amazing and normally makes me feel good about myself. We showered together today and I wanted to start something but he said he wasn't turned on! It made me feel so ugly and shitty about myself!! I don't want a pity party but I just want some ideas on how to feel sexy!!