Jenna Dewan is gearing up to welcome her third child! The Witches of East End actress, 43, is currently pregnant with her and husband Steve Kazee’s second baby together and has given her Instagram followers insight into her maternal journey this time around. “I’ve just entered the second trimester, and I feel alive again,” Dewan — who also shares son Callum, 3, with her current spouse and daughter Everly, 10, with ex Channing Tatum — said in a recent interview while confirming the happy news. The last time the entertainer was pregnant, it was amid a global lockdown during the COVID-19 pandemic…