A few days following his heart surgery, Hollywood veteran Bill Paxton passed away. At the age of 61, the movie star's cause of death has been finally revealed.

According to The Sun, Paxton's death certificate revealed how he fatally suffered a stroke 11 days after his operation. The said surgery involves replacing a valve and fixing the damage in his aorta -- the primary artery that transports blood going to the heart.

Meanwhile, TMZ reported that Paxton suffered from an aneurysm -- the weakening of the artery wall -- the Titanic actor to die on Feb. 25, at the Cedars-Sinai Medical Center in Los Angeles. His surprising death has become more shocking since it took less than two weeks after his operation.

Paxton's body was cremated and he has his interment at Forest Lawn-Hollywood Hills. This is also the final resting place of the " How the West Was Won" star, Debbie Reynolds, who died a few days after Christmas.

The death of Paxton was announced few hours prior to Oscars in February, with his family confirming the news, in a mournful statement that describes his "illustrious career spanning four decades." Meanwhile, various celebrities shared sentiments and remembrances of him on the red carpet.

As Chicago Tribune reported, Paxton starred in several films such as "Aliens," "Twister," "Terminator," "Titanic," and "Big Love," an HBO series.

Paxton's greatness in his acting career started way back in 1975 and this caused him to win several awards such as Best Supporting Actor for his performance in "Alien," and Outstanding Performance by a Cast in a Motion Picture for his acting in "Apollo 13." He was also nominated several times for Best Actor and Best Director for his other films.

Apart from being an actor and director, the late Paxton is also known for his musical career where he and a friend Andrew Todd Rosenthal formed a musical tandem called Martini Ranch.

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