Lady Gaga and Luc Carl will have children 'really soon', according to a source.

The American songstress has famously been in an on/off relationship with Luc since 2005.

Their first highly-publicised split occurred when Gaga achieved stardom following the success of her debut album The Fame in 2008.

In 2010, several magazines and newspapers reported that the two had gotten back together, although it has not been confirmed. A source close to the pair says despite their low-key love affair, they are seriously considering starting a family.

' can see them having children really soon,' the source told more! magazine.

Gaga has said in many interviews that she does not have a boyfriend because she is too busy working and being on the road. The insider added that the star regularly comments on her 'non-existent' love life in order to throw people off the scent.

'After telling everyone 'I don't have a boyfriend', she and Luc were able to escape on a secret holiday, and I think that's when they talked about settling down and having a family,' the source added.