Robert Pattinson and FKA Twigs have been ratcheting up their workouts which got the tabloids thinking if they are getting fit for their wedding.

"The singer was seen wearing a sports bra, cropped leggings and running shoes-paired with her signature red lips, of course-while her beau opted for a more casual look in khakis and a tee," said E! News.

Robert Pattinson and FKA Twigs reportedly got engaged last month during the Coachella 2015 after-party that they hosted. Since their engagement, the "Twilight" actor has been accompanying the singer during her worldwide tour.

The couple has not announced the date of their wedding, however.

The "Twilight" actor has split from girlfriend Kristen Stewart after she cheated on him with Rupert Sanders during the filming of "Snow White and the Huntsman."

"Just last week, the lovebirds made their first red carpet appearance at the 2015 Met Gala in New York City," the article added. "Heads turned by the couple's debut, which happened to be completely overshadowed by both FKA's stunning engagement ring and the, ahem, decorative detail on her colorful gown."

However, OK! Magazine claimed that Robert Pattinson and FKA Twigs' workout routines have nothing to do with their wedding.

The singer, being also trained as a dancer, has always been fit and she dragged Kristen Stewart's ex to join her in working out, as she also forced her into a new diet because she allegedly wanted to improve their sex life.

A source claimed, "FKA's so fit it's not funny and she outperforms him in the bedroom all the time. He's very unfit, smokes and drinks way too much, but she's convinced him he'll be much happier if he's more healthy."

FKA Twigs is reportedly teaching boyfriend Robert Pattinson "what foods are good, limiting his booze to low-calorie spirits and getting him pumping barbells in his spare time."