You now have the option for same sex romances in Mass Effect 3 for the PC, PS3, and Xbox 360.
Here is the list of same sex romances you have the option for.
Check out my other guide for the complete list of romance options in Mass Effect 3.
Kaidan Alenko
Steven Cortez
Diana Allers
Liara T’Soni
Samantha Traynor
Lightning Returns: Final Fantasy XIII – Cheats and Exploits
Assassins Creed: Revelations Map - Animus Data Fragments, Memoir Pages, Treasure Chest Locations
Final Fantasy XIII-2 Achievements (Xbox 360) and Trophies (PS3): How to Unlock Them All
FIFA 14 - Achievements & Trophies Guide
The Last Of Us - Firefly Pendants Collectible Guide (Look for the Light Silver Trophy)