WHICH BRA?

I just ordered this dress from the Beyoncé collection at H&M and I need a bra to go with it! Which one out of the two shall I go for?

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The dress has a cut-out panel at the back in which you can see the back of a bra and I’d like one of these bras so that you can just see the matching lace, I’m not quite confident enough, or well endowed enough, to go without! I’d love to know what you think.

You can purchase the dress online or in store from H&M, £14.99.
Top bra is £11.99 from New Look and the bottom bra is £9.99 from H&M. Both are available online.