Pippa Middleton is “rallying around” Princess Kate as the royal’s “unofficial lady-in-waiting”, GB News’s Royal Correspondent has claimed. Cameron Walker and GB News’s Digital Royal Editor Svar Nanan-Sen discussed Pippa’s surprise appearance at the Wimbledon Men’s Singles Final on this week’s episode of The Royal Record Podcast. Pippa, 40, surprised royal fans when she joined the Princess of Wales, 42, and Princess Charlotte, eight, at the SW19 tournament last Sunday. Dressed in a floral dress from Beulah London, Pippa’s appearance showed a sign of unity within the Middleton family for Kate am…