Check out these celebrity cruise images:
Celebrity Millennium. Ketchikan. 
Image by Tom Mascardo 1 Celebrity Millennium parked in front of the Infinity in Ketchikan Alaska. Since the ships are virtually identical on the ourside, special announcements were made reminding passengers to get on the right ship. Millennium is part of the 4-ship Millennium class of vessels deployed by Celebrity. Other ships in this class are the Infinity, Constellation, and Summit. Celebrity Solstice: www.flickr.com/photos/mascardo1/3249772830/
Celebrity Infinity 
Image by Tom Mascardo Celebrity Infinity docked in Juneau, Alaska. Infinity is part of the 4-ship Millennium class of vessels deployed by Celebrity. Other ships in this class are the Millennium, Constellation, and Summit. While part of the Millennium Class of Celebrity vessels, Infinity will incorporate popular Celebrity Solstice class features such as Blu and Qsine as well as an onboard Apple store. Here's another shot of the Celebrity Infinity: www.flickr.com/photos/mascardo1/3615866023 Celebrity Solstice: www.flickr.com/photos/mascardo1/3249772830
Seabourn, Celebrity and Royal Caribbean 
Image by Tom Mascardo Ships of all shapes and sizes docked in St. John's, Antigua. Seabourn Spirit is one of three sister ships in the Seabourn fleet. Related ships are the Seabourn Legend and Seabourn Pride. Celebrity Infinity is part of the 4-ship Millennium class of vessels deployed by Celebrity. Other ships in this class are the Millennium, Constellation and Summit. Serenade of the Seas is part of the 4-ship Radiance class of vessels deployed by Royal Caribbean. Other ships in this class are the Radiance of the Seas, Brilliance of the Seas and Jewel of the Seas. Mariner of the Seas is part of the 5-ship Voyager class of vessels deployed by Royal Caribbean. Other ships in this class are the Voyager of the Seas, Explorer of the Seas, Adventure of the Seas and Navigator of the Seas.