Talk about composure! Jessica Pegula, aka the Bills Heiress, powered past Maddy Keys to book her spot in the Aussie Open quarters, but it was the mid-match Australia Day air show that had fans buzzing. Pegula admitted she wasn’t briefed about the interruption, but stayed ice-cool and kept her focus. Anyone else think these national celebrations add a wild card to the Grand Slam drama? #Sports #Tennis #AustralianOpen