The 23-year-old English singer, who split from his model boyfriend Jonathan Zeizel earlier this year, was missing the love of special someone.
"Where are you now that I need you?," he wrote.
"Daydreaming of a love that I hope exists," he continued, after mentioning he was drunk.
The "La La La" ended the Twitter spree with making fun his lonely status.
"Forever lonely... Haha".
Smith has lately been in news for singing the Bond theme titled "Writing's On The Wall", for "Spectre", the 24th installment in the 007 franchise.