Jessica Biel received 4 wedding rings from Justin Timberlake

According to People magazine, the 31-year-old singer and actor, who tied the knot with ‘Hitchcock' actress in a lavish four-day bash in southern Italy earlier this month, directly collaborated with Leor Yerushalmi of The Jewelers of Las Vegas to design four stackable wedding bands to go with her enormous 18-carat engagement ring, Contactmusic reported.

Justin Timberlake and Jessica Biel

The ‘In Time' actor told the magazine that he helped the designer to create the very "personal" white gold and black rhodium plated engagement ring - which also features two aquamarine elements representing his wife's birthstone.

In total the 30-year-old bride chose four stackable weddings bands, two of which are the same as Justin's ring and the other two are said to be white gold with a black rhodium finish and covered in diamonds, while Timberlake chose a simple yellow-gold domed ring with a hammer finish.

The couple were eager to have equally special wedding rings, which took several months to complete. u00a0However, Biel was said to have worn only one of her wedding bands during their ceremony on their special day in Italy.