Blake Lively, Ryan Reynolds
Actors Blake Lively and Ryan Reynolds at the 2011 MTV Movie Awards in Los Angeles in June of 2011. Reuters

Rumor has it that actors Ryan Reynolds and Blake Lively's marriage is on the rocks.

According to a report from the most recent issue of Star magazine, Lively, 26, and her husband of less than two years, Ryan Reynolds, 37, are currently feuding over the "Green Lantern" star's most recent role in the film "Mississippi Grind." Why the drama? The tabloid is reporting that Lively, formerly of "Gossip Girl" fame, is upset over Reynold's new co-star, "admitted cheater" Sienna Miller (an ex of Jude Law and Daniel Craig, among others).

"Blake is petrified that Ryan will be tempted to stray," an insider told the magazine, according to The source is also claiming that Lively and Reynolds are temporarily living "separate lives" while the Canadian shoots the drama flick, a decision which has allegedly resulted in Lively suffering from severe "separation anxiety."

While rumors of the couple's alleged troubles are already making waves, GossipCop reported Wednesday that the relationship is not in danger. According to their own inside source, Lively is perfectly happy and currently living with Reynolds "part time" during the duration of the film's production in Louisiana. reported similar claims Thursday. According to the gossip site, an unidentified rep confirmed the separation rumors are "a total lie."

Lively last spoke out about her marriage to Extra TV at the Michael Kors New York Fashion Week runway show earlier this week, revealing her plans to woo her actor hubby this Valentine's Day. "I don't know what I'm going to bake yet, but something good," she said, later adding that her Feb. 14 celebration might also include a viewing of the film "True Romance." "That's kind of a dark Valentine's Day, but whatever works," added the actress.

The A-list couple last made headlines for their alleged marital problems in June 2013 after Star published a report claiming that they were in a disagreement over when to start their family. Allegedly, the rumored feud was due to Reynolds' desire to have a child and Lively's stronger desire to focus on her career. "Ryan is getting quit impatient about it," a "friend" of the couple told the mag. "[Ryan] is hell-bent on changing her mind. He's wanted to start a family for years," a different source added.