Actress-model Kate Upton and dancer Maksim Chmerkovskiy seem to be back together after breaking up in December last year.

The 21-year-old model and the "Dancing With the Stars" performer, who split in December after six months of dating, sparked rumours they have reunited after he posted on Instagram a photograph of them cuddling and deleted the snap a few minutes later, reports femalefirst.co.uk.

The image, which shows Upton smiling with her arm wrapped around Chmerkovskiy, was taken while they was partying at Tao nightclub in New York May 31.

According to sources, the couple had blamed their hectic schedules for their break-up last year.