Probably the phrases do not sound like good style in English. However, in German language superlative as adverbs are frequently used.

Translate these phrases       She is the most elegant dressed.   She was the one, who spoke most.   She was the one, who spoke least.   He was the one, who did it the fastest.   He was the one, who solved the problem the most intelligent way.   The one, who most intelligently solved the problem was he.   The one, who worked most, was he.   The ones, who cared the least, were her parents.   The one, who could dive the farthest, was Thomas.   This was something, they least expected.