Marta La Croft aka Marta Croft aka Alexandra Sivroskya is a nude model, webcam model, and pornographic actress. She was born in Spain on March 18, 1990. She currently lives in Barcelona and works as a personal trainer. As of 2013, her porn career has been documented by photographer Katia Repina in a series titled Llámame Marta. Marta's big tits are enhanced. Her measurements are 42-24-36, she is 5 ft 6 in tall, and weighs in at 128lbs.