Jay-Z was rumored to be Kanye West's best man before the ceremony. (Christopher Polk/Getty Images)

Superstar Beyonce congratulated the new Kardashian-West household today just hours after Kim Kardashian and Kanye West tied the knot in a lavish wedding ceremony in Italy. The pop singer posted a photo of the family with the caption "Wishing you a lifetime of unconditional love. God bless your beautiful family."

Beyonce and Jay-Z had been rumored to be invited as guests at the wedding with Jay-Z acting as West's best man. However, according to US Weekly, the couple was reported to be in the Hamptons this weekend instead of in Florence, where the wedding took place.

Read All About Kim and Kanye's Wedding Ceremony