A leak proof/resistant drinking lid (10) is provided for use with beverage container. The lid (10) includes a manually actuated valve stem (16) mounted to a housing (14), a drinking port (18) extending through the housing (14), a drinking valve head (20) carried on the stem (16), a pressure relief port (22) extending through the drinking valve head (20), and a pressure relief valve head (24) mounted to the stem 16. The pressure relief valve head (24) is releasably mounted to the stem (16) by a connector (26). A resilient member (28) is sandwiched between the stem (16) and the drinking valve head (20) to transmit an actuating force from the stem (16) to the drinking valve head (20) and to allow the stem (16) and the pressure relief valve head (24) to translate relative to the drinking valve head (20).