1.   A triumphant smile lit his perspiring face as he strode along the corridor to the kitchen.

2.   Allowing herself a small triumphant smile, she started the same process on the right boot.

3.   This piece of information I gave him with a triumphant smile.

4.   The answer left him with a triumphant smile.

5.   The triumphant smile the senator bore on his arrival at the conference swiftly faded.