diff --git a/leanframe/core/frame.py b/leanframe/core/frame.py
index 3010e43..214c7d3 100644
--- a/leanframe/core/frame.py
+++ b/leanframe/core/frame.py
@@ -30,5 +30,10 @@ def __init__(self, data):
         else:
             raise NotImplementedError("DataFrame constructor doesn't support local data yet.")
 
+    @property
+    def columns(self) -> pandas.Index:
+        """The column labels of the DataFrame."""
+        return pandas.Index(self._data.columns, dtype="object")
+
     def to_pandas(self) -> pandas.DataFrame:
         return self._data.to_pandas()
diff --git a/tests/unit/session/test_read_sql_table.py b/tests/unit/session/test_read_sql_table.py
index affe86a..2e8e198 100644
--- a/tests/unit/session/test_read_sql_table.py
+++ b/tests/unit/session/test_read_sql_table.py
@@ -16,6 +16,8 @@
 
 import leanframe
 
+import pandas.testing
+
 
 def test_read_sql_table_can_convert_to_pandas(session: leanframe.Session):
     """Read a table with simple scalar values."""
@@ -26,3 +28,6 @@ def test_read_sql_table_can_convert_to_pandas(session: leanframe.Session):
     # Make sure we have _some_ data.
     assert len(df_pd.index) > 0
     assert len(df_pd.columns) > 0
+
+    # Where possible, check that we are compatible with pandas.
+    pandas.testing.assert_index_equal(df_pd.columns, df_lf.columns)