New Delhi, Feb. 13 -- Music royalty Beyonce and Jay-Z have once again cemented their status as the ultimate power couple - not just culturally, but financially.

A new study by JB.com has named them the richest celebrity couple in entertainment, with a combined net worth of $3.5 billion, placing them comfortably ahead of every other high-profile pairing across music, film, fashion and sport.

The report analysed 22 prominent celebrity couples, calculating each partner's individual wealth using publicly available celebrity finance databases before combining those figures to estimate total net worth.

Researchers also tracked how frequently couples appeared together in news headlines, attempting to measure whether financial dominance aligne...