This is the ultimate guide to what to wear to the Backstreet Boys concert in Las Vegas!

Heading to a Backstreet Boys concert in Vegas isn’t just a night out — it’s a full-on celebration of music, memories, and a whole lot of sparkle.

The word on the street is that for this major reunion of the Backstreet Boys at teh Sphere in Las Vegas – for the Mlillenium tour: the dress code is white!

When planning your outfit, you’ll want find something that fits into the white theme but also has that Vegas glam to it!

Anything in the white, silver, light blue (which matches their album cover would work!

Here are some other ideas for what to wear the Backstreet Boys concert in Las Vegas.

Go retro with subtle nods to the era that gave us crop tops, chokers, and low-rise everything. A few ideas:

• Metallic crop top + wide-leg jeans
• Velvet mini dress with combat boots
• Tube top + cargo pants combo
• Platform sneakers or chunky boots

Start by tapping into those iconic Y2K vibes. A metallic crop top, velvet mini dress, or even cargo pants paired with a cute tube top can instantly bring that throwback flair. Add in some butterfly clips or tinted sunglasses for a playful nod to the era when the Backstreet Boys first stole our hearts.

But since you’re in Vegas — the land of show-stopping lights and all things over-the-top — don’t be afraid to dial it up.

Sequins, rhinestones, and anything that catches the light are totally fair game. Whether it’s a holographic clutch, statement earrings, or a glittery jacket, this is your moment to shine.

Make sure to add Vegas Glam to your look – you never have to compromise on your outfits in Vegas: anything goes!

It’s Vegas, baby — don’t be afraid to sparkle. Incorporate:

• Sequins or rhinestone details
• Statement earrings, necklaces, and bracelets
• A flashy mini bag or clutch

Gold, silver, holographic — it all works here.

Try the short trend that look like underwear but are shorts: this is the perfect look to rock at a concert in Vegas!

Try a Retro Outfit for the Backstreet Boys Concert

A vintage-style BSB graphic tee also makes a great base if you’re going for more of a casual-cool vibe.

Tuck it into a leather skirt or knot it over high-waisted jeans to keep it feeling modern.

And while looking amazing is key, comfort is everything — especially when you’re belting out every word to “I Want It That Way.”

Opt for shoes you can dance in, like platform sneakers or low-heeled boots, and consider bringing a light jacket for the chilly indoor arena air.

Crossbody and belt bags are your best friends here — cute, compact, and hands-free for maximum dancing.

Ultimately, your look should reflect the joy and energy of the concert.

Whether you’re channeling your inner AJ or just there for the vibes, lean into the fun. Vegas and the Backstreet Boys have one thing in common: they know how to put on a show.

So show up, dress up, and get ready to relive one of the best parts of your teenage soundtrack — in true Vegas style.