MAY

13

'Ole Blue Eyes: In recognition of the 10th anniversary of Frank Sinatra's death (May 14, 1998) and his career in Las Vegas, the United States Postal Service, and the Sinatra family, will dedicate a USPS Frank Sinatra stamp in a ceremony Tuesday. Sinatra performed at several resorts, with the Rat Pack and as a solo performer. The Bellagio fountains will play two Sinatra songs: "Fly Me To The Moon" and "Luck Be A Lady." Noon, Bellagio fountains. Las Vegas tributes also will include a citywide toast at midnight on May 14.

30

International Gem and Jewelry Show: Exhibitors from around the world present fine finished jewelry, fashion jewelry, beads gems and more. Discounts of up to 40 percent off retail prices. Opens noon Friday, Saturday and Sunday at the Cashman Center. $7. www.intergem.net.

JUNE

1-30

Wayne Brady: The multitalented comedian entertains at 9 p.m. Thursday through Monday, Venetian Showroom. $83, $105, $171.

Rosanne Barr: The comedienne entertains at 9:30 p.m. Saturday through Wednesday in the Congo Room, Sahara, $59, $69.

19-22

Ringling Brothers & Barnum & Bailey Circus: 7:30 p.m., Orleans Arena. $86.50, $51.50, $31.50, $19.50, $15.50. www.orleansarena.com/ringling-bros.

20

Pepper: Island reggae-rock group, Pepper performs poolside at 9 p.m. Hard Rock Cafe. $20-$200. www.hardrock-hotel.com.

26

Mark Knopfler: Front man with Dire Straits, now solo singer, songwriter, guitarist and composer of film scores including "The Princess Bride" and "Wag the Dog." 8 p.m. Hard Rock Hotel & Casino. $52, $102. 702-693-5000. www.hardrockhotel.com.

SEPT.

9

Donny & Marie Osmond: The bother-and-sister act will debut at Flamingo Las Vegas as the resort's headliners. The 90-minute show will highlight Donny & Marie's greatest hits presented on a custom-designed stage with multiple video screens and a large cast of dancers. The show marks the first time in 29 years the siblings will perform an extended residency engagement in Las Vegas.

VEGAS CHAT

Thursdays at the Springs: Weekly summer concerts at the Springs Café Wolfgang Puck and a farmers market in the Crossroads Commons with music by Raj Rathor Quartet and the Las Vegas Philharmonic. 4-8 p.m. www.springspreserve.org.

Chocolate Fountain: Jean Philippe Patisserie's chocolate fountain at the Bellagio is going for the official record of world's tallest chocolate fountain. Designed by Executive Pastry Chef Jean Philippe Maury, along with Norwood and Antonia Oliver Design Associates, Inc., the glass-enclosed, floor-to-ceiling fountain is 27 feet tall and circulates nearly two tons of melted dark, milk and white chocolate at a rate of 120 quarts per minute.