Billie Lace-Up Bra & Thong
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Free shipping
On every order
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Doesn't fit?
Free size exchange or 30-day money back
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Discreet packaging
Plain box, nothing on the label says lingerie
Almost sold out
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Ships the next business day
Black Friday
1+1 free. Your second piece is on us
Mix any piece. The lower‑priced piece is free, taken off automatically in your bag.
Save the best for underneath.
The Billie set laces up the front, so you choose when it comes undone.
Underwire lace cups meet at a corset lace-up in the center. The matching thong wraps your hips in elastic straps. Scalloped trim edges both pieces.
Wear it under a sheer blouse on a night out and leave one more button open than usual.
You decide who gets to see it.
Join 15,000+ women who feel this good
Too good to keep covered
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Corset lace-up
Right at the center, tied by you.
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Underwire cups
Lift and shape under soft lace.
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Strappy thong
Elastic straps at the hips, lace at the front.
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Lace back panel
Pretty enough to be seen from behind.
All that’s left is yes
- Will I look good in it?
- Yes. It’s cut to flatter your shape, in every size we make. Put it on, look in the mirror and see for yourself.
- What if it doesn’t fit?
- It comes in XS to 3XL. If the size is wrong, we send a new one as soon as you ask and pay for your return label. You can’t get this wrong.
- What if I don’t love it?
- Then send it back. Return unworn items with tags within 30 days of delivery. The only risk is never finding out.
- Who will know?
- Only the people you choose. It arrives in a plain box, and nothing on the label says lingerie.
Make tonight the one you remember
$119.95. Less than one dinner out, and you’ll remember this a lot longer. Free shipping on every order.
Start some trouble
The fit
The fit
Comes in XS to 3XL.
Between sizes? Email hey@rosamae.com and we'll check the measurements with you.
The details
The details
Billie is a lace bra and thong set with a corset-style lace-up front. The underwire bra has adjustable straps and scalloped lace trim, and the matching thong has elastic strapping at the sides with a lace front panel.
- Underwire bra with corset lace-up at center front
- Adjustable straps and hook-and-eye closure
- Matching thong with strappy sides
- Scalloped lace trim on both pieces
Shipping & returns
Shipping & returns
Shipping. Free shipping on every US order. Your arrival dates are shown above and at checkout.
Free size exchange. Wrong size? Exchange it within 30 days of delivery. We send your new size as soon as you ask and pay for your return label.
Easy returns. Prefer a refund? Return unworn items with tags within 30 days of delivery. Return postage is paid by you. Refunds go back to your original payment method once your return arrives.
Who we are
Who we are
Who we are. Rosa Mae is a lingerie label for the nights you want to feel seen. We choose every piece for lace that feels soft on your skin and a fit you can trust.
Questions about size or fit? Email our team and we'll help you pick the right size before you order.