Nocturnal Swim with Weekly at DayDream Pool It’s a night of swimming off the Strip with the Weekly at M Resort’s DayDream Pool. Ladies wearing tiaras receive free champagne from 8 to 9 p.m. and specials on Crown Royal. Sorry, gentlemen, wearing a tiara won’t do much for you at the bar. September 21, 8 p.m. to midnight, free. RSVP at lasvegasweekly.com/nightswim.

Rock, Paper, Scissors with Fergie Footwear at Vanity It’s a night of music, art, fashion and cocktails. The “ultimate ladies night” at the Hard Rock club features $5,000 in fashion giveaways, and a $65 VIP ticket purchased online before 7 p.m. gets you an open bar all night. September 21, doors at 10 p.m., $30 men, $20 women, local ladies free.

Swedish Bikini Beauties at The Bank Yes, you read that right. Some 10 members of the Swedish Bikini Team—not an Olympic squad—run the night at the Bellagio club. No word yet on whether the Finnish team will join them (hey, we can dream). September 21, doors at 10:30 p.m., $40 men, $30 women.

World's Largest Bachelorette Party at Tao, Tao Beach & Lavo The WLBP from September 21-23 will be the best party ever—or three days of bridezilla drama. Expect lots of veils, pink and social media blackouts. September 21-23. Visit taolasvegas.com/wlbp for the full schedule.

iHeartRadio Official Pool Party at Wet Republic The two-day music fest returns to MGM Grand Garden Arena on September 21 and 22. No tickets? The official pool party with Bob Sinclar is at Wet Republic this Saturday. Enjoy a dip before summer ends. September 22, doors at 11 a.m., $50 men, $20 women.

Dragonette at Hyde The Toronto electro-pop trio (singer/songwriter Martina Sorbara, drummer Joel Stouffer and bassist/producer Dan Kurtz) performs at the Bellagio nightspot. Stop by and say, “Hello.” September 22, doors at 10 p.m., $30 men, $20 women.

Axwell and Calvin Harris at Encore Beach Club The Wynn and Encore continue their 2012 EDM excellence with another poolside double-header. At EBC, it’s Axwell on September 22 and recent VMA-winner Calvin Harris on September 23. Looks like they’ve found dayclub love in a not-so-hopeless place. Axwell: September 22, doors at 11 a.m., $50 men, $30 women. Calvin Harris: September 23, 11 a.m., $50 men, $30 women.

Frenchie Davis at Krave The Season 2 American Idol contestant (remember her topless photo controversy?) and Season 1 contender on The Voice appears at the Stripside gay club. September 22, doors at 10:30 p.m., $25, locals free before 12:30 a.m.

Cabanas for a Cause at Palms Pool & Bungalows It’s not too late to party for a purpose at the Palms. The Monday charity promotion benefits Safe Nest this week, so your $100 cabana purchase will help end domestic violence in Southern Nevada. September 24, 10 a.m., cabanas $100, free entry.