STAGE TUBE: Watch Royal Caribbean's Cast of GREASE Prepare for Opening Night

Get a backstage pass to Royal Caribbean's exclusive performance of the hit musical, GREASE! The cast are in final rehearsals and guests are in for some toe-tapping entertainment when the hand jive hits the stage onboard Harmony of the Seas. Check out the footage below!

Harmony of the Seas will span 16 guest decks, encompass 227,000 gross registered tons, carry 5,497 guests at double occupancy, and feature 2,747 staterooms. The Oasis class is an architectural marvel touting Royal Caribbean's exclusive seven neighborhood concept, including Central Park, Boardwalk, the Royal Promenade, the Pool and Sports Zone, Vitality at Sea Spa and Fitness Center, Entertainment Place and Youth Zone. For more information about Harmony of the Seas, please visit RoyalCaribbean.com/HarmonyoftheSeas.

Royal Caribbean International is an award-winning global cruise brand with a 46-year legacy of innovation and introducing industry "firsts" never before seen at sea. The cruise line features an expansive and unmatched array of features and amenities only found on Royal Caribbean including, jaw-dropping, Broadway-style entertainment and industry-acclaimed programming that appeals to families and adventurous vacationers alike. Onboard, guests are catered to with the cruise line's world-renowned friendly and engaging Gold Anchor Service by every staff and crew member. Royal Caribbean has been voted "Best Cruise Line Overall" for 12 consecutive years in the Travel Weekly Readers Choice Awards.

The cruise line sails 23 of the world's most innovative cruise ships to the most popular destinations in Bermuda and the Caribbean, Europe, Canada and New England, Alaska, South America, Asia, and Australia and New Zealand. Media can stay up-to-date by following @RoyalCaribPR on Twitter, and visiting RoyalCaribbeanPressCenter.com. For additional information or to make reservations, vacationers should call their travel agent; visitRoyalCaribbean.com; or call (800) ROYAL-CARIBBEAN.