Tennis stars rejoice as Serena Williams announces competitive comeback

Serena Williams, 44, has announced her competitive return to tennis after a nearly four-year absence, receiving a wildcard entry for the women's doubles at the Queen's Club Championships in the UK this month. The 23-time Grand Slam winner is reported to be partnering 19-year-old Canadian Victoria Mboko in the doubles event. Queen's Club is traditionally used as a warm-up tournament for Wimbledon, the year's third Grand Slam.