Energy drink company Celsius (NASDAQ:CELH) will be announcing earnings results tomorrow morning. Here's what investors should know.

Celsius beat analysts' revenue expectations by 4.8% last quarter, reporting revenues of $347.4 million, up 95.2% year on year. It was a mixed quarter for the company, with a narrow beat of analysts' gross margin estimates but a miss of analysts' earnings estimates.

Is Celsius a buy or sell going into earnings? Read our full analysis here, it's free.

This quarter, analysts are expecting Celsius's revenue to grow 50% year on year to $389.8 million, slowing from the 94.9% increase it recorded in the same quarter last year. Adjusted earnings are expected to come in at $0.19 per share.

The majority of analysts covering the company have reconfirmed their estimates over the last 30 days, suggesting they anticipate the business to stay the course heading into earnings. Celsius has only missed Wall Street's revenue estimates once over the last two years, exceeding top-line expectations by 10.5% on average.

Looking at Celsius's peers in the beverages and alcohol segment, some have already reported their Q1 results, giving us a hint as to what we can expect. Coca-Cola delivered year-on-year revenue growth of 2.5%, beating analysts' expectations by 2.4%, and Constellation Brands reported revenues up 7.1%, topping estimates by 2%. Coca-Cola's stock price was unchanged after the resultswhile Constellation Brands was down 1%.

Read our full analysis of Coca-Cola's results here and Constellation Brands's results here.

Investors in the beverages and alcohol segment have had steady hands going into earnings, with share prices flat over the last month. Celsius is down 8.8% during the same time and is heading into earnings with an average analyst price target of $92.1 (compared to the current share price of $76.45).

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